TY  - BOOK
TI  - Library of Congress Classification. Class Q. Science
SN  - 0844406317
AV  - Z696U5Q 
PY  - 1989///
CY  - Washington
PB  - : The Library of Congress
KW  - Classification, Library of Congress
KW  - Periodicals
KW  - Classification
KW  - Books
KW  - Science
N1  - Kept up to date by the division's L.C. classification--additions and changes, and by two publications irregularly issued by Gale Research Company entitled: Library of Congress classification schedules--a cumulation of additions and changes, Class Q an d Library of Congress classification schedules combined with additions and changes
ER  -