The thirteen principal Upanishads / 
translated from the Sanskrit with an outline of the philosophy of the Upanishads and an annotated bibliography by Robert Ernest Hume ; with a list of recurrent and parallel passages by George C. O. Haas 
 - 2nd ed., rev. 
 - London :  Oxford University Press,  1931 
 - xvi, 587 p. ;  22 cm. 
<br/><br/>Includes bibliographical references (p. 459-515). 
<br/><br/><br/>eng san 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Upanishads--Bibliography
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy, Hindu