TY  - BOOK
AU  - Shera,Jesse Hauk
AU  - Egan,Margaret Elizabeth
TI  - The classified catalog: basic principles and practices 
U1  - 025.3 19
PY  - 1956///
CY  - Chicago
PB  - American Library Association
KW  - Classified catalogs
N1  - Bibliography: p. 122-127.
ER  -