Brief history of the American labor movement.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[Washington]
bBureau of Labor Statistics
1970.
|
| Cyfres: | (Its Bulletin no. 1000, 1970 ed.)
|
| Pynciau: |