| United States - 1980 - 838 pages
Includes cumulative subject index of the entire set. 1 v. | |
| United States - 1979 - 1632 pages
Includes cumulative subject index of the entire set. 1 v. | |
| United States - 1971 - 1422 pages
Includes cumulative subject index of the entire set. 1 v. | |
| United States - 1969 - 1696 pages
Includes cumulative subject index of the entire set. 1 v. | |
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