1
Έκδοση: 1988
Superior document: A history of Greek philosophy 1
2
Έκδοση: 1989
Superior document: A history of Greek philosophy 4
3
Έκδοση: 1990
Superior document: A history of Greek philosophy 6
4
Έκδοση: 1990
Superior document: A history of Greek philosophy 2
5
Έκδοση: 1987
Superior document: A history of Greek philosophy 3,1
6
Έκδοση: 1979
Superior document: A history of Greek philosophy 5
7