| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 1st ed. (1771) | ① BRECON | article | 95 | vol. 1, p. 663 | |
| 7th ed. (1842) | ② BRECON | article | 839 | vol. 5, p. 225 | |
| 8th ed. (1853–60) | ③ BRECON | article | 7,762 | vol. 5, p. 311 | |
| 8th ed. (1853–60) | ④ BRECON | article | 1,549 | vol. 5, p. 312 | |