Reamer, Frederic G.
The philosophical foundations of social work
Columbia University Press, 1993
 Buku Teks
Hoffding, Harold
A history of modern philosophy: a sketch of the history of philosophy. From the close of the renaissance to our own day
Macmillan, 1955
 Buku Teks
Bierens de Haan, J. D. (Johannes Diderik), 1866-1943
Hoofdfiguren der geschiedenis van het wijsgerig denken
Erven F. Bohn, 1950
 Buku Teks
Hoffding, Harold
A History of modern philoshopy; Vol. 2
Dover, 1955
 Buku Teks
Kenny
The rise of modern philosophy : a new history of Western philosophy, vol.3
Oxford University Press, 2008
 Buku Teks