| JSTOR Ref | ||||
|---|---|---|---|---|
| The Cambridge Medieval History, Volume VIII: The Close of the Middle, by Z. N. Brooke, C. W. Previté-Orton | 7.2 (1938), 134-137 |
DOI:10.2307/43626090 JSTOR |
| JSTOR Ref | ||||
|---|---|---|---|---|
| The Cambridge Medieval History, Volume VIII: The Close of the Middle, by Z. N. Brooke, C. W. Previté-Orton | 7.2 (1938), 134-137 |
DOI:10.2307/43626090 JSTOR |