| Labor unions - 1982 - 130 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1979 - 1074 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1976 - 1040 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1975 - 720 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1975 - 522 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1974 - 1032 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1973 - 692 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1973 - 1032 pages
Includes separately paged "Junior union section." | |
| Labor unions - 1972 - 700 pages
Includes separately paged "Junior union section." | |
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