| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 7th ed. (1842) | ① MORELL | article | 3,194 | vol. 15, p. 499 | |
| 7th ed. (1842) | ② MORELL | article | 1,871 | vol. 15, p. 499 | |
| 8th ed. (1853–60) | ② MORELL | article | 1,378 | vol. 15, p. 586 | substantially revised · J 0.49 |
| 8th ed. (1853–60) | ③ MORELL | article | 1,246 | vol. 15, p. 586 | |