White, Morton G.
The age of analysis: 20th century philosophers
[Publisher not identified], 1955
 Buku Teks SO
Berlin, Isaiah
The age of enlightenment The 18 th Century Philosophers / Isiah Berlin
The American Library, 1956
 Buku Teks SO
White, Morton G.
The age of analysis; twentieth century philosophers, selected, with an introd. and interpretive commentary
Books for Libraries Press, [1970, c1955]
 Buku Teks SO
One hundred twentieth-century philosophers
edited by Stuart C. Brown, Diane Collinson, Robert Wilkinson
Routledge, 1998
 Buku Teks SO
Biographical dictionary of twentieth-century philosophers
edited by Stuart Brown, Diane Collinson, Robert Wilkinson
Roudledge, 1996
 Buku Referensi