| Name | Count | Years active |
|---|---|---|
| Butterworths | 1433 | 1952, 1957, 1963, 1968-1991 |
| Butterworth | 153 | 1957-1958, 1963, 1966-1971, 1973-1990 |
| Appleton-Century-Crofts | 83 | 1970-1972 |
| Butterworth Scientific | 46 | 1982-1983, 1987, 1989 |
| Piccin | 10 | 1984-1985 |
| Butterworths for the Institute for Research into Mental Retardation | 6 | 1972 |
| Butterworth for the Institute for Research into Mental and Multiple Handicap | 5 | 1974-1975 |
| Brunner/Mazel | 5 | 1968, 1971-1972 |
| Butterworths Scientific | 5 | 1982, 1987, 1989 |
| Butterworth-Heinemann | 5 | 1990-1991 |