sociality change
| Author(s) | Title | Reference | |
|---|---|---|---|
| J.A.W. Bennett | Feudal Society, by Marc Bloch, L. A. Manyon, M. M. Postan | 32/2, p. 168 | |
| B.E. FERME | The Papal Monarchy: the Western Church from 1050 to 1250, by Colin Morris | 59/2, p. 336 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| J.A.W. Bennett | Feudal Society, by Marc Bloch, L. A. Manyon, M. M. Postan | 32/2, p. 168 | |
| B.E. FERME | The Papal Monarchy: the Western Church from 1050 to 1250, by Colin Morris | 59/2, p. 336 |