TY  - BOOK
AU  - Kelley Grace Osgood
TI  - The classification of books; an inquiry into its usefulness to the reader
U1  - 025.4 
PY  - 1938///
CY  - New York
PB  - H W Wilson co
KW  - Classification
N1  - Issued also as thesis(PH D)-University of Chicago
ER  -