First-Class Bowling in Each Season by Richard Jefferson
| Season | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | |
| 1961 | (England) | 3563 | 116 | 1623 | 60 | 6-25 | 27.05 | 4 | 0 |
| 1962 | (England) | 4159 | 172 | 1727 | 60 | 5-44 | 28.78 | 1 | 0 |
| 1963 | (Scotland) | 186 | 12 | 39 | 3 | 3-39 | 13.00 | 0 | 0 |
| 1963 | (England) | 1002 | 35 | 499 | 14 | 5-58 | 35.64 | 1 | 0 |
| 1964 | (England) | 2913 | 122 | 1070 | 38 | 5-29 | 28.15 | 2 | 0 |
| 1965 | (England) | 1004 | 56 | 351 | 16 | 3-9 | 21.93 | 0 | 0 |
| 1966 | (England) | 3983 | 150 | 1714 | 66 | 6-49 | 25.96 | 2 | 1 |
| 1969 | (England) | 516 | 25 | 226 | 6 | 3-64 | 37.66 | 0 | 0 |
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