Rothfeld, Otto . <br/><br/>
Umar Khyyam and His Age /  Textual Documents 
Otto Rothfeld. 
 - / 
 - Bombay :  D.B. Taraporevala Sons & Co. ,  1922. 
 - iii,89 p :  ill ;  22 cm . 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>T/GModern Persian Literature 
<br/><br/><label>Dewey Class. No.: </label>891.551  / R 744 Um