Snyder, Louis L.
Fifty major documents of the twentieth century / Louis L. Snyder
Van Nostrand, 1955
 Buku Teks
Pressman, Steven
Lima puluh pemikir ekonomi dunia = Fifty major econmoics/Steven Pressman; penerjemah; Tri Wibowo Budi Santoso
RajaGrafindo Persada, 2000
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Tsanoff, Radoslav A.
The great philosophers
Harper & Brothers, 1953
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Rorty, Richard
On philosophy and philosophers
Cambridge University Press, 2020
 eBooks
Warner, Rex, 1905-1986
The Greek philosophers
The New American Library, 1958
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