
The Historian's Craft, pg.36
Von Foerster, Mora and Amiot (1961) "Population Density and Growth". in: Science, Vol 133, 16 June 1961, pp. 1932-37 as cited in: Stuart A. Umpleby (2001) " Heinz von Foerster (1911 - 2002) http://projects.isss.org/heinz_von_foerster_by_stuart_umpleby"
1960s
The Historian's Craft, pg.36
"The State of Humanity: Steadily Improving," Cato Institute Policy Report, September/October 1995 http://www.cato.org/pubs/policy_report/pr-so-js.html
How Many People Can Live on Planet Earth? (BBC Horizon, 2009)
30th Anniversary Lecture, The Norwegian Nobel Institute, Oslo, September 8, 2000; Quoted in: Ronald Bailey (2002) Global warming and other eco-myths. p. 59
“Technology made large populations possible; large populations now make technology indispensable.”
"The Conflict of Science and Tradition", p. 108
The Universal Kinship (1906), The Psychical Kinship
Source: White Noise: Text and Criticism
Source: The Future As History (1960), Chapter III, part 10, The Mastery of Technology, p. 161
“Unforeseen technological inventions can completely upset the most careful predictions.”
The Art of Doing Science and Engineering: Learning to Learn (1991)