Zimmer, Heinrich
Philosophies of India
Meridian Books, 1956
 Buku Teks
Dasgupta, Surendranath
The mahabasya of patanjali: with annotations
Indian Council of Philosophical Research, 1991
 Buku Teks
Raju, P.T.
Idealistic thought of India
George Allen and Unwin, 1953
 Buku Teks
Bernard, Theos
Hindu philosophy
Philosopical Library, 1947
 Buku Teks
Radhakrishnan, Sarvepalli, 1888-1975
Indian philosophy
George Allen and Unwin, 1930
 Buku Teks