11 items
| Subject | Labor History |
|---|---|
| Creator | The Pennsylvania Labor History Society |
| Date | 2007-09 |
| Subject | Labor History |
|---|---|
| Date | 2009 |
| Subject | Labor History |
|---|
| Subject | Labor History |
|---|---|
| Date | 2009 |
| Subject |
|
|---|---|
| Date | 1985 |
| Subject | Labor History |
|---|
| Subject |
|
|---|---|
| Creator | Tri-State Conference on Steel; United Steelworkers of America |
| Subject |
|
|---|---|
| Creator | United Steelworkers of America; Tri-State Conference on Steel |
| Subject | Labor History |
|---|
| Subject |
|
|---|---|
| Creator | Tri-State Conference on Steel; United Steelworkers of America |
| Subject | Labor History |
|---|---|
| Date | 2012-04-28 |
1985 |
1985-01-28 |