Russland: Volkswirts ehaft 191~18: I 50.152 

s. 
History-.l beouome WHl socinl, of tlJe ,rorld ,hlr. 

TIussian .s~ries, 
;~el\' Haven [IlSh. J 1928 -32. 


(Publicr:.tions of the Curl1egie ElldOll'm. f. Illterllut. 

!'leace. )