Full text of a book by G S Virk, based on Patanjali's teachings.

An interpretation by W. Q. Judge, originally published in 1889, regarding the aphorisms on concentration and the essential nature of isolation. Includes the text of the aphorisms.

A series of seven articles by Raghavan Iyer, discussing Patanjali's Sutras.

Includes quotations by Patanjali, and some bibliographic references.

An "interpretive" translation of the Sutras that strives to overcome the problem that many of the important Sanskrit words used have no English equivelent.

The Threads of Union translation by Bongiovanni. With concordances and word frequency lists.

Etext at Project Gutenberg.

Translations by Bon Giovanni and Charles Johnston and interpretations by William Q. Judge.

Complete translation and transliteration edited by Raghavan N. Iyer together with his seven part commentary.

Reluctant Messenger of Science and Religion version translated by Chester Messenger.

Links to the Sutras in many international languages, online discussion group regarding Patanjali and his works.

Article by Georg Feuerstein explores the authorship of the Yoga Sutras.