An Unfinished Revolution? Heinz von Foerster and the Biological Computer Laboratory (BCL), 1958-1976 edited by Albert Müller & Karl Müller, published by Edition Echoraum 2007.

“This is a fascinating analysis of the scientific agenda of Heinz von Foerster, clearly one of the major scientists of the twentieth century.” (J. R. Hollingsworth, Univ. Wisconsin)

Seconde cybernétique et complexité. Rencontres avec Heinz von Foerster edited by Evelyne Andreewsky & Robert Delorme, published by Editions l’Harmattan 2006.

contains papers from the conference “De la Cybernétique aux Systèmes Complexes. Un hommage à Heinz von Foerster”, Paris 2004, and original papers from Heinz von Foerster

From Being to Doing by Humberto R. Maturana and Bernhard Pörksen.

This is the English version of their 2002 book “Vom Sein zum Tun”. It provides a detailled personal history of Maturana’s Biology of Cognition.

Konstruktivismus und Pädagogik by Holger Lindemann.

“Lindemann’s book is a competent and very valuable introduction to the ideas of constructivism and their application to pedagogy.” (Ernst von Glasersfeld)