Microform collections and selected titles in microform in the Microform Reading Room. 

 - [Washington, D.C.?]  General Reading Rooms Division, Library of Congress  [1991] 
 - v, 207 p.  28 cm. 
<br/><br/> Cover title.  "Supplement to the guide prepared in 1987"--P. iii.  Shipping list no.: 92-067-P.  Includes indexes. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Library of Congress. General Reading Rooms Division --Microform catalogs.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microforms--Catalogs.<br/>Library resources--Washington (D.C.).
<br/><br/><label>GPO Item No.: </label>786 
<br/><br/><label>Gov. Doc. Class. No.: </label>LC 1.2:M 58/4