Library of Congress. <br/><br/>
Report of the Librarian of Congress, for the fiscal year ending June 30, 1931 

 - Washington :  Govt. print. off.,  1901. 
 - 463 p.  incl. facsims. front., plates, plans. ;  25 cm. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Library of Congress.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--United States.