| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 2nd ed. (1778–83) | ① GEOFFREÆ | article | 959 | vol. 10, p. 9095 | |
| 3rd ed. (1797) | ② GEOFFRAEA | article | 1,625 | vol. 7, p. 633 | |
| 4th ed. (1810) | ③ GEOFRÆA | article | 1,307 | vol. 9, p. 501 | |
| 5th ed. (1815) | ③ GEOFFREÆA | article | 1,308 | vol. 9, p. 501 | reprint · J 0.96 |