| Name | Count | Years active |
|---|---|---|
| Funk & Wagnalls | 287 | 1965-1966, 1968, 1971-1978 |
| Outdoor Life | 19 | 1975-1978 |
| Crowell | 17 | 1975-1979 |
| Funk and Wagnalls | 12 | 1968, 1970, 1973-1977 |
| Minerva Press | 10 | 1965, 1967, 1974-1976 |
| distributed by Funk & Wagnalls | 5 | 1977 |
| T.Y. Crowell Co. | 5 | 1978 |
| Los Angeles Book Corp. | 4 | 1977 |
| Outdoor Life : [distributed by] Funk & Wagnalls | 4 | 1976-1977 |
| John Day | 4 | 1976 |