Lengyel, Emil,  1895- <br/><br/>
Secret Siberia / 
by Emil Lengyel 
 - London :  Robert Hale,  1942 
 - 285 p. :  ill ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 15.00 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Siberia (Russia)--History<br/>Siberia (Russia)--Description and travel