TY  - SER
ED  - U.S. Library of Congress. Union Catalog Division
TI  - Symbols of American libraries
PY  - 1969///
CY  - Washington
PB  - Library of Congress
KW  - Libraries
KW  - United States
KW  - Abbreviations
KW  - Periodicals
KW  - Canada
N1  - 10th ed.-; Symbols used in the National union catalog of the Library of Congress
ER  -