Books · Search
Single people · Social groups & communities
Singles
1982
Peaceful societies · Peace
52 peaceful societies
1973
College teachers · College teaching
A professor's work
1998
Great powers · Military History
General war among great powers in world history
2001
Case studies · Villages
Millfield on Saturday
1994
Philosophy · Civilization
The nature of civilizations
1969
History · History, Modern
Peace in our time
1990
Ancient History · History, Ancient
Peace in the ancient world
1981
History · Peace
Peace in the Western world
1984
Civilization · Philosophy
The Boundaries of Civilizations in Space and Time
1987
1993
The Nature of civilization