| Author | Work | City | Library | MS Designation | Collection | Shelfmark | Year/Century | Folios | Diels Pages | Notes | View |
| Alexander Rex | De septem herbarum facultate | London | British Museum | Addit. (Brit. Mus.) | 17, 900 | XVII. | f. 89 v. | II, p. 010. | View Record | ||
| Alexander Rex | De septem herbarum facultate | Mailand | Bibl. Ambrosiana | Ambros. | E 37 Sup. | XVI. | f. 351. | N., p. 044. | View Record | ||
| Alexander Rex | De septem herbarum facultate | Mailand | Bibl. Ambrosiana | Ambros. | H 2 Inf. | XVI. | f. 250. | N., p. 044. | View Record | ||
| Alexander Rex | De septem herbarum facultate | Oxford | Bibl. Bodleiana | Roe. | 15 (Bodl. 261) | XV ex. | f. 103. | II, p. 010. | View Record | ||
| Alexander Rex | De septem herbarum facultate | Rom | Bibl. Barberina | Barberin. | I 127 | XVI. | f. 249 v. | II, p. 010. | View Record |