| Labor unions - 1904 - 696 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1904 - 756 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1904 - 664 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1904 - 572 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1903 - 786 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1903 - 602 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1903 - 656 pages
Includes separately paged "Junior union section." | |
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