| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 5th ed. (1815) | ① ILLINOIS | article | 500 | vol. 11, p. 163 | |
| 6th ed. (1823) | ② ILLINOIS | article | 643 | vol. 11, p. 163 | |
| 7th ed. (1842) | ③ ILLINOIS | article | 16,930 | vol. 12, p. 247 | |
| 8th ed. (1853–60) | ④ ILLINOIS | article | 13,963 | vol. 12, p. 361 | |