1. Hetubindu by Dharmakīrti (texts and English translations):
2. Gokhale, P.P. 1997. Hetubindu of Dharmakīrti (a point on probans). Delhi: Sri Satguru Press.
3. Steinkellner, E. 2016. Dharmakīrti’s Hetubindu, critically edited by Ernst Steinkellner on the basis of preparatory work by Helmut Krasser with a translation of the Gilgit fragment by Klaus Wille. Vienna: Verlag der Österreichischen Akademie der Wissensschaften.
4. Hetucakraḍamaru (Hetucakranirṇaya) by Diṅnāga (text and English translation):
5. Chi, R.S.Y. 1969. Buddhist formal logic: A study of Dignāga’s Hetucakra and K’uei-chi’s great commentary on the Nyāyapraveśa. London: The Royal Asiatic Society of Great Britain.