The Homepage of Ernst von Glasersfeld

Ernst von Glasersfeld authored the following 145 journal articles

5Glasersfeld E. von & Barton-Burns J. (1962) First draft of an English input procedure. Methodos 14(54): 47–79.
7Glasersfeld E. von (1963) Probleme der maschinellen Übersetzung. Beiträge zur Sprachkunde und Informationsverarbeitung 3: 33–47.
8Glasersfeld E. von (1964) A project for automatic sentence analysis. Beiträge zur Sprachkunde und Informationsverarbeitung 4: 38–46.
10Glasersfeld E. von (1965) Multistore: A procedure for correlational analysis. Automazione e Automatismi 9(2): 5–28.
12Glasersfeld von E. & Dutton B. (1966) Supralinguistic classification and correlators. Beiträge zur Linguistik und Informationsverarbeitung 9: 29–49.
13Glasersfeld E. von (1966) Beauty and the mechanics of perception. Rivista Pininfarina. Stabilimenti Pininfarina, Turin.
16Glasersfeld E. von (1968) Alla ricerca di dati precisi. Nuovo 2: 36–40.
19Glasersfeld E. von & Pisani P. (1970) The Multistore parser for hierarchical syntactic structures [pdf]. Communications of the Association for Computing Machinery 13(2): 74–82.
20Glasersfeld E. von (1970) The correlational approach to language. Pensiero e Linguaggio 1(4): 391–398.
20.1Italian translation: Chapter 1 in 117 (1989).
21Glasersfeld E. von (1970) The problem of syntactic complexity in reading and readability. Journal of Reading Behavior 3(2): 1–14.
21.1German translation: Chapter 1 in 108 (1987).
21.2Italian translation: Chapter 5 in 117 (1989).
22Glasersfeld E. von (1972) Semantic analysis of verbs in terms of conceptual situations [pdf]. Linguistics 94: 90–106. Available at
22.1German translation: Chapter 3 in 107 (1987).
22.2Italian translation: Chapter 4 in 117 (1989).
24Glasersfeld E. von, Warner H., Pisani P., Rumbaugh D., Gill T. V. & Bell C. L. (1973) A computer mediates communication with a chimpanzee. Computers and Automation 22(7): 3–6.
25Rumbaugh D., Glasersfeld E. von, Warner H., Pisani P., Gill T. V. & Bell C. L. (1973) A computer-controlled language training system for investigation of language skills in young apes. Behavioral Research Methods and Instrumentation 5(5): 382–390.
26Rumbaugh D., Gill T. V. & Glasersfeld E. von (1973) Reading and sentence completion by a chimpanzee. Science 182: 731–733.
27Rumbaugh D. M., Glasersfeld E. von, Warner H., Pisani P., Gill T. V. & Bell C. L. (1973) Exploring the language skills of Lana Chimpanzee. International Journal of Symbology 4(2): 1–9.
28Rumbaugh D. M., Gill T. V. & Glasersfeld E. von (1974) Language in man, monkey, and machines (Reply to Mistler & Lachman). Science 185: 872–873.
29Rumbaugh D. M., Glasersfeld E. von, Warner H., Pisani P. & Gill T. V. (1974) Lana (chimpanzee) learning language: A progress report. Brain and Language 1: 205–212.
31Glasersfeld E. von (1974) ”Because” and the concepts of causation [pdf]. Semiotica 12(2): 129–144. Available at
31.1German translation: Chapter 4 in 108 (1987).
32Glasersfeld E. von (1974) Signs, communication, and language. Journal of Human Evolution 3: 465–474.
32.1German translation: Chapter 5 in 108 (1987).
32.2Italian translation: Chapter 11 in 117 (1989).
35Glasersfeld E. von (1974) The Yerkish language for non-human primates. American Journal of Computational Linguistics 1, Microfiche 12.
38Rumbaugh D. M., Gill T. V., Glasersfeld E. von, Warner H. & Pisani P. (1975) Conversations with a chimpanzee in a computer-controlled environment. Biological Psychiatry 10(6): 627–641.
40Glasersfeld E. von & Silverman P. (1976) Man-machine understanding. Communications of the Association of Computer Machinery 19(10): 586–587.
41Glasersfeld E. von & Shumaker N. W. (1976) Review of Schank’s “Conceptual Information Processing”. Computers and the Humanities 10(4): 236–237.
43Glasersfeld E. von (1976) Cybernetics and cognitive development. Cybernetics Forum 8: 115–120.
47Glasersfeld E. von (1977) Seen from the outside. Contact Quarterly II(3): 23.
48Glasersfeld E. von (1977) Russian essays on lexical semantics (Book review). American Journal of Computational Linguistics 14(2): 16–33.
51Glasersfeld E. von (1978) Another minor revision à or the disregard for control theory and the analysis of inductive feedback mechanisms. The Behavioral and Brain Sciences 1(1): 79–80.
52Glasersfeld E. von (1978) Les chimpanzés et le langage. La Recherche 9(92): 725–732.
53Glasersfeld E. von (1978) Some problems of intentionality. The Behavioral and Brain Sciences 1(2): 252–253.
54Gash H. & Glasersfeld E. von (1978) Vico: An early anticipator of radical constructivism. The Irish Journal of Psychology 4(1): 22–32.
55Richards J. & Glasersfeld E. von (1979) The control of perception and the construction of reality. Dialectica 33(1): 37–58.
55.1German translation: (1984) Die Kontrolle von Wahrnehmung und die Konstruktion von Realität. Delfin III: 9–25.
57Glasersfeld E. von (1979) Reflections on John Fowles’ “The Magus” and the construction of reality. The Georgia Review 33(2): 444–448.
57.1German translation: Chapter 4 in 196 (1997).
57.2Reprinted as Chapter 21 in: Glanville R. & Riegler A. (eds.) (2007) The importance of being Ernst. Edition Echoraum, Vienna: 279–283.
59Richards J. & Glasersfeld E. von (1980) Jean Piaget, the psychologist of epistemology. Journal for Research in Mathematics Education 11(1): 29–36.
60Glasersfeld E. von (1980) Viability and the concept of selection [pdf]. American Psychologist 35(11): 970–974. Available at
60.1German translation: Chapter 7 in 108 (1987).
61Glasersfeld E. von (1980) After metaphysics: Toward a grammar of interaction and discourse (Book review). American Anthropologist 82(2): 409–410.
66Glasersfeld E. von (1981) An attentional model for the conceptual construction of units and number. Journal for Research in Mathematics Education 12(2): 83–94.
66.1German translation: Chapter 20 in 108 (1987).
66.2Italian translation: “Un modello attanzionale per la costruzione concettuale delle unità e del numero”, Methodologia 1(2): 5–20.
71Glasersfeld E. von (1981) The “truth” about Pythagoras [pdf]. Problem Solving 3(5/6): 1–11. Available at
71.1German translation: Chapter 10 in 196 (1997).
71.2Reprinted as Chapter 21 in: Glanville R. & Riegler A. (eds.) (2007) The importance of being Ernst. Edition Echoraum, Vienna: 279–283.
72Glasersfeld E. von & Kelley M. F. (1981) On the concepts of period, phase, stage, and level. Journal of Human Development 25: 152–160.
74Glasersfeld E. von (1982) Subitizing à The role of figural patterns in the development of numerical concepts [pdf]. Archives de Psychologie 50: 191–218. Available at
74.1German translation: Chapter 21 in 108 (1987).
75Glasersfeld E. von (1982) Cheers for the champion?. Problem Solving 4(9): 6.
77Glasersfeld E. von (1982) An interpretation of Piaget’s constructivism [pdf]. Revue Internationale de Philosophie 36(4): 612–35. Available at
77.1German translation: Chapter 19 in 108 (1987).
81Richards J., Steffe L. P. & Glasersfeld E. von (1983) Perspectives and summary. In: Steffe L. P., Glasersfeld E. von, Richards J. & Cobb P. (eds.) Children’s counting types: Philosophy, theory, and application. Praeger, New York: 112–123.
82Glasersfeld E. von (1983) On the concept of interpretation [pdf]. Poetics, 12 (2/3), 207–218. Available at
82.1German translation: Chapter 8 in 107 (1987).
82.2Italian translation: Chapter 8 in 116.
84Glasersfeld E. von & Cobb P. (1983) Knowledge as environmental fit [pdf]. Man-Environment Systems 13(5): 216–224. Available at
85Cobb P. & Glasersfeld E. von (1984) Piaget’s scheme and constructivism. The Genetic Epistemologist 13(2): 9–15.
87Glasersfeld E. von (1984) To hell with psychology (Book review). Journal for Research in Mathematics Education 15(5): 389–391.
88Glasersfeld E. von (1984) Konstruktivistische Diskurse. Lumis Schriften, 2. Siegen, Germany: Institute for Empirical Literature and Media Research, 1–19.
89Glasersfeld E. von & Varela F. (1985) Problems of knowledge and cognizing organisms [pdf]. Aprendizagem/Desenvolvimento (Learnig and Development) 2(6): 17–23. Available at
90Glasersfeld E. von (1985) Reconstructing the concept of knowledge. Archives de Psychologie 53: 91–101.
95Steffe L. P. & Glasersfeld E. von (1985) Helping children to conceive of number. Recherches en Didactique des Mathématiques 6: 269–303.
97Glasersfeld E. von (1986) Why can’t Johnny add? (Book review). Journal for Research in Mathematics Education, 17 (2), 151.
98Glasersfeld E. von (1986) The power of abused terms, Teaching, Thinking. Problem Solving, 8 (3), 7.
101Glasersfeld E. von (1986) Kant, constructivism, and the territorial dogma. Continuing the Conversation (ASC Newsletter), 2 (5), 3.
102Powers W. T. & Glasersfeld E. von (1986) A control conversation. Continuing the Conversation 7: 3–4.
103Glasersfeld E. von (1986) Wissen ohne Erkenntnis. Delfin 4(1): 20–27.
104Glasersfeld E. von (1986) Of knowing, telling, and showing [pdf]. Cybernetic 2(1): 64–67. Available at
104.1German translation: Chapter 3 in 196 (1997).
104.2Italian translation: Conoscere, dire e mostrare. (translated by I.P. Bolognesi).
110Glasersfeld E. von (1988) Should cybernetics be useful?. Continuing the Conversation 12: 5.
111Glasersfeld E. von (1988) The reluctance to change a way of thinking [pdf]. Irish Journal of Psychology 9(1): 83–90. Available at
111.1Italian translation: La riluttanza a cambiare modo di pensare, Psicologia e Lavoro 19 (74/75): 42–46.
113Glasersfeld E. von (1988) La lógica de la falibilidad científica. Psicoterapia y Familia 1(2): 41–48.
113.1German translation: Chapter 6 in 196 (1997).
113.2English translation: “The Logic of Scientific Fallibility”, in Chapter 11 in 279 (2008) [pdf].
115Glasersfeld E. von (1988) The cybernetic basis of behavior. Continuing the Conversation 16: 5–6.
118Glasersfeld E. von (1989) Cognition, construction of knowledge, and teaching [pdf]. Synthese 80(1): 121–140. Available at
118.1German translation: Chapter 13 in 196 (1997).
118.2Italian translation: Cognizione, costruzione della conoscenza, e insegnamento. In: Comune di Modena (ed.) (1990) Sistema educativo: Prospettive di mutamento (3). Franco Angeli, Modena: 133–155.
118.3Reprinted in: Matthews M. R. (ed.) (1991) History, philosophy, and science teaching. Teachers College Press, New York.
118.4Reprinted in: Matthews M. R. (ed.) (1998) Constructivism in science education. Kluwer, Dordrecht.
120Glasersfeld E. von (1989) Children’s mathematical thinking (Book review). Zentralblatt für Didaktik der Mathematik 21(3): 104.
122Glasersfeld E. von (1989) Facts and the self from a constructivist point of view [pdf]. Poetics 18(4–5): 435–448. Available at
122.1Reprinted as Chapter 3 in 279 (2008).
125Glasersfeld E. von (1990) Die Unterscheidung des Beobachters: Versuch einer Auslegung [pdf]. In: Riegas V. & Vetter C. (eds.) Zur Biologie der Kognition. Suhrkamp, Frankfurt: 281–295. Available at
125.1Italian translation: (1990) Distinguendo l’osservatore in Methodologia 5(8): 92–111.
125.2English translation: Distinguishing the Observer: An attempt at interpreting Maturana [pdf]. Unpublished.
127Glasersfeld E. von (1990) An exposition of constructivism: Why some like it radical [pdf]. In: Davis R. B., Maher C. A. & Noddings N. (eds.) Monographs of the Journal for Research in Mathematics Education #4. National Council of Teachers of Mathematics, Reston VA: 19–29. Available at
127.1Reprinted in: Klir G. J. (ed.) (1991) Facets of system science. Plenum Press, New York: 229–238.
128Glasersfeld E. von (1990) Teleology and the concepts of causation [pdf]. Philosophica 46 2: 17–43. Available at
128.1German translation: (1997) Chapter 9 in 196.
128.2Italian translation in: (1997) Pluriverso 2: 60–75.
129Glasersfeld E. von (1990) Zuerst muß man zu zweit sein (You have to be two to start) [pdf]. Systeme – Zeitschrift der Österr. Arbeitsgemeinschaft für sytemische Therapie 46(2): 17–43. Available at
129.1Reprinted in: 182.
129.2Reprinted in: (1995) Multimind/NLP Aktuell 4(4): 42–51.
131Glasersfeld E. von & Steffe L. P. (1991) Conceptual models in educational research and practice. Journal of Educational Thought 25(2): 91–103.
140Glasersfeld E. von (1992) Why I consider myself a cybernetician [pdf]. Cybernetics and Human Knowing 1(1): 21–25. Available at
140.1German translation: Chapter 1 in 193.
141Glasersfeld E. von (1992) Apprendimento e insegnamento dal punto di vista del costruttivismo. L’Educazione Matematica III 2(1): 27–39.
141.1German translation: Chapter 14 in 193.
142Glasersfeld E. von (1992) El constructivismo radical. Sistemas Familiares 8(3): 49–54.
143Glasersfeld E. von (1992) On manifestly (or, at least, apparently) timeless objectivity. Phil. of Math. Education Newsletter (POME) 6: 12–13.
147Glasersfeld E. von (1992) Guest editorial. Educational Studies in Mathematics 23: 443–444.
149Glasersfeld E. von (1992) Constructivism reconstructed (Reply to Suchting). Science & Education 1: 379–384.
149.1Reprinted in: Matthews M. R. (ed.) Constructivism in science education, pp. 93–98. Dordrecht: Kluwer, 1998.
150Glasersfeld E. von (1992) Philosophy of mathematics (Review of Paul Ernest). Zentralblatt für Didaktik der Mathematik, 24 (2), 46.
154Glasersfeld E. von (1993) Questions rather than answers. Cybernetics and Human Knowing 1(4): 57–59.
157Glasersfeld E. von (1993) Notes on the concept of change. Cahiers de la Fondation Archives Jean Piaget, No. 13. Fondation Archives Jean Piaget, Geneva: 91–96.
158Glasersfeld E. von (1993) Learning and adaptation in the theory of constructivism. Communication and Cognition 26(3/4): 393–402.
159Glasersfeld E. von (1993) Response to Masani. Kybernetes 22(7): 58–59.
160Glasersfeld E. von (1993) Response to David Johnson. Cybernetics and Human Knowing, 2 (2), 55.
161Glasersfeld E. von (1993) Letter to the Editor (Response to Matthews). Journal of Science Education and Technology, 2 (4), 511.
165Glasersfeld E. von (1994) Pourquoi le constructivisme doit-il être redical? [pdf]. Revue des Sciences de l’Éducation 20(1): 21–27. Available at
165.1English translation: Why constructivism must be radical. In: Larochelle M., Bednarz N. & Garrison J. (eds.) (1998) Constructivism in educalion. Cambridge University Press, Cambridge: 23–28.
166Glasersfeld E. von (1994) Wiener’s insight into communication [pdf]. Kybernetes 23 (6/7): 21–22. Available at
175Glasersfeld E. von (1995) A rejoinder to Otte. Philosophy of Mathematics Newsletter 8: 18–19.
177Glasersfeld E. von (1995) Learning Mathematics: Constructivist and interactionist theories of mathematical development (Book Review). Zentralblatt für Didaktik der Mathematik 27(4): 120–123.
181Glasersfeld E. von (1995) Conceptions et connaissances (Review of book by Giordan, Girault & Clément). Didaskalia 6: 180–181.
183Glasersfeld E. von (1996) The limits of science (Letter) [pdf]. Academe March/April 1996: 3–4. Available at
184Glasersfeld E. von (1996) Footnotes to “Many faces of constructivism”. Educational Researcher 25(6): 19.
187Glasersfeld E. von (1996) Farewell to objectivity (Revised and expanded English version of 136) [pdf]. Systems Research 13(3): 279–286. Available at
189Glasersfeld E. von (1996) Réponse à S. Johsua (Response to S. Johsua). Didaskalia 8: 195.
192Glasersfeld E. von (1996) Cybernetics and the art of living [pdf]. Cybernetics and Systems 27(6): 489–497. Available at
192.1Italian translation: Cibernetica a l’arte di vivere. Translated by I. P. Bolognesi.
193Glasersfeld E. von (1996) [193]The view from here. Cybernetics and Human Knowing 3(4): 18–19.
194Glasersfeld E. von (1996) Le constructivisme radical et quelques-unes de ses recommen-dations en matière d’éducation. Télémaque 6: 37–44.
197Glasersfeld E. von (1997) Difesa di Whorf [pdf]. Methodologia Working Papers 82. Available at
198Glasersfeld E. von (1997) A cybernetician before cybernetics. Systems Research and Behavioral Science 14(2): 137–139.
199Glasersfeld E. von (1997) The incommensurability of scientific and poetic knowledge [pdf]. Methodologia 17: 1–7. Available at
199.1Reprinted in World Futures, 1998 53: 19–25.
199.2Italian translation: L’incommensurabilita’ della conoscenza scientifica e poetica. Translated by I. P. Bolognesi.
200Glasersfeld E. von (1997) Kleine Geschichte des Konstruktivismus (Brief history,ory of constructivism) [pdf]. Österreichische Zeitschrift für Geschichtswissenschaft 8(1): 9–17. Available at
201Glasersfeld E. von (1997) In: Memory of a Pioneer, Silvio Ceccato, 1914–1997 [pdf]. Methodologia Working Papers 91.
202Glasersfeld E. von (1997) A postscript to Kenneth Boulding. Systems Research and Behavioral Science 14(3): 221–224.
204Glasersfeld E. von (1997) Homage to Jean Piaget [pdf]. Irish Journal of Psychology 18(3): 293–306. Available at
205Glasersfeld E. von (1997) Amplification of a constructivist perspective [pdf]. Issues in Education 3(2): 203–209. Available at
206Glasersfeld E. von (1998) Breve risposta a Sigiani [Brief reply to Sigiani]. Methodologia Working Papers 94.
208Glasersfeld E. von (1998) Anticipation in the constructivist theory of cognition [pdf]. In: Dubois D. M. (ed.) Computing anticipatory systems. American Institute of Physics, Woodbury NY: 38–47. Available at
209Glasersfeld E. von (1998) Cronaca di consapevolezze operativa personale [A chronicle of personal operational awareness] [pdf]. Quaderni di Methodologia 5: 9–16. Available at
213Glasersfeld E. von (1998) Die Radikal-Konstruktivistische Wissenstheorie. Ethik und Sozialwissenschaften 9(4): 503–511 & 581–596.
214Glasersfeld E. von (1998) Pensare insieme la conoscenza scientifica e la conoscenza poetica. Pluriverso 3(4): 69–73.
216Glasersfeld E. von (1999) The cybernetic insights of Jean Piaget. Cybernetics and Systems 30(2): 105–112.
220Glasersfeld E. von (1999) Social constructivism as a philosophy of mathematics (Book Review, Paul Ernest) [pdf]. Zentralblatt für Didaktik der Mathematik 99(2): 71–73. Available at
221Glasersfeld E. von (1999) How do we mean? A constructivist sketch of semantics [pdf]. Cybernetics and Human Knowing 6(1): 9–16. Available at
221.1Italian translation: Cosa intendi? Bozza di semantica costruttiva. (translated by I.P. Bolognesi).
223Glasersfeld E. von (1999) A proposito dei bilingui [About bilinguals]. Methodologia Working Papers 109.
226Glasersfeld E. von (1999) Omaggio al maestro. Studi in memoria di Silvio Ceccato [Homage to the master. Studies in memory of Silvio Ceccato] [pdf]. Quaderni di Methodologia 7: 15–21. Available at
228Glasersfeld E. von (1999) Konstruktivismus und Unterricht [Constructivism and instruction]. Zeitschrift für Erziehungswissenschaft 2(4): 499–506.
230Glasersfeld E. von (2000) Ratio rediviva [pdf]. Ethik und Sozialwissenschaften 11(1): 99. Available at
231Glasersfeld E. von (2000) Entretien avec E. v. G. Interview by Claudie Natale Schouchana. Thérapie Familiale 21(1): 27–32.
232Glasersfeld E. von (2000) Reflections on cybernetics [pdf]. Cybernetics and Human Knowing 7(1): 93–95. Available at
232.1Italian translation: [Untitled]. Translated by I. P. Bolognesi and L. Santini.
234Glasersfeld E. von (2000) On ethics. ASCD Systems Thinking and Chaos Theory News Letter July 2000: 3–4.
237Glasersfeld E. von (2000) A proposito dell’operare costitutivo [About constitutive operating] [pdf]. Methodologia Working Papers 122: 1–2. Available at
239Glasersfeld E. von (2000) Streitschrift gegen die Bigotterie [Pamphlet against bigotry]. Ethik und Sozialwissenschaften 11(3): 374–375.
243Glasersfeld E. von (2001) The enigma of consciousness, Report on Lucerne Conference. Journal of Consciousness Studies 8(4): 79–81.
244Glasersfeld E. von (2001) Constructivisme radical et enseignement [pdf]. In: Revue Canadienne de l’enseignement des sciences, des mathématiques et des technologies 1(2): 211–222. Available at
244.1Reprinted in: Perspectives 31(2): 191–204.
244.2English translation: Radical constructivism and teaching [pdf]. Unpublished.
248Glasersfeld E. von (2001) Risposta a Ranci. Methodologia Working Papers 132: 1.
249Glasersfeld E. von (2001) The radical constructivist view of science [pdf]. Foundations of Science 6(1–3): 31–43.
250Glasersfeld E. von (2001) Remembering Gordon Pask [pdf]. In: Scott B. C. E. & Glanville R. (eds.) Gordon Pask remembered and celebrated. Part 2. Special issues of Kybernetes 30(7/8): 970. Available at
256Glasersfeld E. von (2003) Comment on Ryder’s “Science and Rhetoric”. The Pantaneto Forum 10.
257Glasersfeld E. von (2003) Nota alla postfazione di Accame. Methodologia Working Papers 150.1.
259Glasersfeld E. von (2003) A proposito della viabilità. Methodologia Working Papers 158.
261Glasersfeld E. von (2003) Review of “D. Lesh, Beyond constructivism” [pdf]. Zentralblatt für Didaktik der Mathematik 35(6): 325–329. Available at
265Glasersfeld E. von (2004) Aggiunta al “noi” politico [pdf]. Methodologia Working Papers 165.1.
266Glasersfeld E. von (2004) Alle radici del costruttivismo radicale (Interview with L. Cardellini). Informatica & Scuola 12(3): 4–8.
269Glasersfeld E. von (2005) Thirty years constructivism. Constructivist Foundations 1(1): 9–12. Available at
270Glasersfeld E. von (2005) Preface: Founder of the second order [pdf]. Kybernetes 34(3/4): 319–320. Available at
272Cardellini L. & Glasersfeld E. von (2006) The foundations of radical constructivism: An interview with Ernst von Glasersfeld. Foundations of Chemistry 8:177–187.
273Glasersfeld E. von (2006) Review of: Holger Lindemann (2005) Konstruktivismus und Pädagogik. Grundlagen, Modelle, Wege zur Praxis. Constructivist Foundations 1(3): 131. Available at
274Glasersfeld E. von (2006) A constructivist approach to experiential foundations of mathematical concepts revisited. Constructivist Foundations 1(2): 61–72. Available at
275Glasersfeld E. von (2006) You have to be two to start: Rational thoughts about love. Constructivist Foundations 2(1): 1–5. Available at
275.1Italian translation in: Accame F. (ed.) A. A. Bogdanov. Quattro dialoghi su scienza e filosofia. Odradek, Rome: 51–61.
277Glasersfeld E. von (2007) Some rash conclusions. Commentary on the target artcle by Gernot Saalmann. Constructivist Foundations 3(1): 7–8. Available at
278Glasersfeld E. von (2007) A constructivist speculation about Parmenides. Constructivist Foundations 3(1): 27–29. Available at
281Glasersfeld E. von (2008) Who conceives of society?. Constructivist Foundations 3(2): 59–64 & 100–104. Available at
282Glasersfeld E. von (2008) Schneebrett. Land der Berge 03–2008: 10–12.
283Glasersfeld E. von (2008) Bekanntschaft mit einer Schimpansin. Universum 5: 130–131.
285Glasersfeld E. von (2008) Can dichotomies be tamed?. Constructivist Foundations 3(3): 123–126. Available at
286Glasersfeld E. von (2008) Treacherous terms. Constructivist Foundations 4(1): 16–17. Available at
288Glasersfeld E. von (2009) Relativism, fascism, and the question of ethics in constructivism. Constructivist Foundations 4(3): 117–120. Available at
289Glasersfeld E. von (2009) Glasersfeld E. von (2009) Sketches from “Partial Memories”. Constructivist Foundations 5(1): 55–63. Available at
292Glasersfeld E. von & Ackermann E. (2011) Reflections on the concept of experience and the role of consciousness. Unfinished fragments. Constructivist Foundations 6(2): 193–203. Available at