Libro de los Estados
| Author(s) | Title | Reference | |
|---|---|---|---|
| R.M. Morgan | The Feudal Nobility and the Kingdom of Jerusalem 1174-1277, by Jonathan Riley-Smith | 45/1, p. 135 | |
| David G. Pattison | Don Juan Manuel: Libro de los Estados, by R. B. Tate, I. R. Macpherson | 45/1, p. 137 |