TY  - SER
ED  - Library of Congress.
ED  - Library of Congress.
ED  - Library of Congress.
ED  - Library of Congress.
TI  -  Library of Congress subject headings
U1  - 025.4/9  20
PY  - 2010///-
CY  - Washington
PB  - Library of Congress
KW  - Subject headings, Library of Congress
N1  - Issued in 2 v., 8th ed.-10th ed.; in 3 v., 11th ed.-15th ed.; in 4 v ., 16th ed.-20th ed.; in 5 v., 21st ed.-
ER  -