| Name | Count | Years active |
|---|---|---|
| E.J. Arnold | 410 | 1957, 1963-1964, 1966-1982, 1984-1985, 1987-1990, 1998 |
| Arnold-Wheaton | 356 | 1980-1988 |
| E.J.Arnold | 50 | 1963, 1965-1970, 1972, 1974-1975, 1979, 1988-1989 |
| E. J. Arnold | 29 | 1957, 1962, 1968-1969, 1972, 1975, 1980, 1988-1989 |
| Arnold | 23 | 1970-1971, 1974-1976, 1978, 1981-1982, 1988-1989 |
| E.J. Arnold for the Nuffield Foundation | 20 | 1969-1970, 1972 |
| Pepper | 14 | 1980-1981 |
| Arnold Wheaton | 11 | 1976, 1982-1984, 1987 |
| (E.J. Arnold) | 9 | 1972 |
| Pepper Press | 7 | 1980-1981 |