Grout, Catherine White <br/><br/>
An explanation of the tables used in the schedules of the Library of Congress Classification  accompanied by an historical and explanatory introduction 
by Catherine W. Grout 
 - Columbia University, New York  School of Library Service  1940 
 - 108 p. ; 27 cm. 
<br/><br/>Thesis (M.Sc)--Columbia University, 1939. 
<br/><br/>Bibliography: p. 104-108. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Library of Congress