TY  - BOOK
AU  - Herdman,Margaret M.
TI  - Classification: an introductory manual 
SN  - 0-8389-0277-4
U1  - 025.42 21E
PY  - 1978///
CY  - Chicago
PB  - American Library Association
N1  - Bibliogr. p. 38-44
ER  -