| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 4th ed. (1810) | ① PIACENZA | article | 2,381 | vol. 16, p. 529 | |
| 5th ed. (1815) | ① PIACENZA | article | 2,371 | vol. 16, p. 529 | reprint · J 0.96 |
| 6th ed. (1823) | ① PIACENZA | article | 2,371 | vol. 16, p. 529 | reprint · J 0.98 |
| 8th ed. (1853–60) | ② PIACENZA | article | 3,491 | vol. 17, p. 703 | |