United States. Senate <br/><br/>
Bolshevist Movement in Russia: Letter from the Secretary of State Transmitting to the Senate Committee on Foreign Relations, a Memorandum on Certain Aspects of the Bolshevist Movement in Russia 

 - Washington :   Gov. Print. off.,   1920. 
 - 55 p. ;   18 cm. 
 - Senate document ;   172 .