Elie cartan - Albert Einstein  letters on absolute parallelism 1929-1932 
edited by R. Debever                                             
 - Princeton  Princeton University Press  1979 
 - xvii, 233p. 
<br/><br/><label>ISBN: </label>0-691-08229-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Albert Einstein - Biography<br/>Biography - Albert Einstein<br/>NASA thesaurus
<br/><br/><label>Universal Decimal Class. No.: </label>92:53  / ELI