Ebro valley
| Author(s) | Title | Reference | |
|---|---|---|---|
| Colin Hardie | Dante, die göttliche Komödie. Kommentar, III Teil: das Paradies, by Hermann Gmelin | 28/2, p. 121 | |
| S.M. Stern | Peter the Venerable and Islam, by J. Kritzeck | 35/3, p. 248 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| Colin Hardie | Dante, die göttliche Komödie. Kommentar, III Teil: das Paradies, by Hermann Gmelin | 28/2, p. 121 | |
| S.M. Stern | Peter the Venerable and Islam, by J. Kritzeck | 35/3, p. 248 |