Library of Congress.
Russian imperial government serials on microfilm in the Library of Congress: a guide to the uncataloged collection /
compiled by Harold M. Leich with the assistance of staff members of the Library of Congress European Division and Preservation Microfilming Office 
. - Washington : Library of Congress,  1985 
. - xvi, 135 p.  38 cm. 
<br/><label>  ISBN: </label>0-8444-0493-4