TY  - BOOK
TI  - Library of congress classification schedules :  A cumulation of additions and changes, 1974-75
U1  - 2:51N, qL6 
PY  - 1976///
CY  - Detroit
PB  - Gale research      
KW  - LIBRARY SCIENCE
N1  - Contents Class a general works:Polygraphy (3p.)
ER  -