The human mystery
London 1984. 255 S.
The person, or the significance of man
Los Angeles (Calif.) 1952. 339 S.
The philosophy of man
Lanham (Md.) 1989. 198 S.
Human realization. An introduction to the philosophy of man
New York 1971. 154 S.
Philosophy of human nature
New York 1953. 444 S.
The philosophy of human nature
St. Louis (Mo.) 1951. 4193 S.
An outline of the philosophical anthropology
Frankfurt am Main 1991. 289 S.
Political order: philosophical anthropology
Baton Rouge (Lna.) 1987. 204 S.
Theories of human nature
Peterborough (Ont.) 1995. 262 S.
Reflections on human nature
Baltimore (Md.) 1961. 275 S.