- Author: GAUQUELIN Michel (1928-1991)
- Language: English
- Year: 1967
- Author: James Burnham
- Language: English
- Year: 1963
- Author: Josef Pieper
- Language: English
- Year: 1966
- Author: Theodore Maynard
- Language: English
- Year: 1956
- Author: Abraham H. Maslow Robert S. Hartman Daisetz Teitaro Suzuki Erich Fromm etc.
- Language: English
- Year: 1970
- Author: Alfred M. Lilienthal
- Language: English
- Year: 1962
- Author: Rudolf Schwarz
- Language: Chinese
- Year: 1958
- Author: Michel Gauquelin
- Language: English
- Year: 1967
- Author: Russell Kirk
- Language: English
- Year: 1954
- Author: Marcus Aurelius Epictetus
- Language: English
- Year: 1956