Nature, History, State
Martin Heidegger & Gregory Fried & Richard Polt
Der Adler - 1939 - Heft 19 (28 S., Scan)
Der Adler
Instauration-1980[..]
Wilmot Robertson
The Evolution of Cooperation
Robert Axelrod
Instauration-1997[..]
editor Wilmot Robertson
Instauration-1996[..]
Instauration 1996 January Vol21 No2 pt2
Instauration 1996 01 January Vol21 No2 pt1
Instauration-1995[..]