Hardcover. POONA, Oriental Book Agency, 1st, 1939, Book: Very Good, Dust Jacket: None, 567 pages. Hardcover. Boards bound at spine with orange quartercloth, has fading and foxing to spine from age. Gray cardboard cover boards (some agewear). Pages and edges have some tanning, but otherwise unmarked. Previous owner's name on front flyleaf. This work is a product of seven manuscripts. It begins with the English tranlation of lectures on Nyayasutras by Gautama. The author has also used his notes from Bodhasiddhi.