Hume Robert Ernest. The 13 Principal Upanishads : with an outline of the philosophy of the upanishads and an annotated bibliography / The thirteen Principal Upanishads Robert Ernest Hume. - 2nd rev. ed. - Oxford : Oxford Univ. Pr., [1931] - xvi, 587 p. ; 22cm. Nat. Bib. Agency Control No.: 1024081 ChTaNC Subjects--Topical Terms: Upanishad--Hinduism印