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 | 1970 | |
|---|---|---|
| 5 |      | Joe N. Adams: From the Chairman. DATA BASE 2(1): 2 (1970) |
| 4 | | Joe N. Adams: From the Chairman. DATA BASE 2(2): 2 (1970) |
| 1969 | ||
| 3 |  | Joe N. Adams: From the Chairman. DATA BASE 1(2): 2 (1969) |
| 2 | | Joe N. Adams: From the Chairman. DATA BASE 1(3): 2 (1969) |
| 1 | | Joe N. Adams: From the Chairman. DATA BASE 1(4): 2 (1969) |