| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 1st ed. (1771) | ① SOMME | article | 148 | vol. 3, p. 617 | |
| 6th ed. (1823) | ② SOMME | article | 416 | vol. 19, p. 470 | |
| 7th ed. (1842) | ③ SOMME | article | 1,776 | vol. 20, p. 476 | |
| 8th ed. (1853–60) | ④ SOMME | article | 4,954 | vol. 20, p. 412 | |