TY  - BOOK
AU  - Lens,Sidney
TI  - Unions, and What They Do
AV  - HD6508 .L465
U1  - 331.88 
PY  - 1968///]
CY  - New York
PB  - Putnam
KW  - Labor unions
KW  - United States
KW  - Juvenile literature
N2  - An introduction to the history, purpose, structure, operation, and activities of labor unions in the United States
ER  -