TY  - BOOK
AU  - Ball M O
AU  - Wenman L M
TI  - Subject headings for the information file, with notes on setting up a file of ephemera
U1  - 025.33 
PY  - 1943///
CY  - New York
PB  - Wilson
KW  - Subject cataloging
KW  - Subject headings
ER  -