Studies in education from the department of education of The State University of Iowa
edited by Frederick Elmer Bolton
Iowa State University Press, 1912
 Buku Klasik
Dasgupta, Surendranath
A history of Indian philosophy III
Cambridge University Press, 1952
 Buku Teks SO
Rudolph, Frederick
The American college and university : a history/ Frederick Rudolph
Knopf , 1962
 Buku Teks
Research abstracts University of Indonesia 2007
[chief editor, Tirta Nugraha Mursitama]
DRPM-UI, 2007
 Buku Referensi
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 SO