| A.S.G. Edwards |
Lucy Freeman Sandler, Omne bonum: A Fourteenth-Century Enryclopedia of Universal Knowledge |
|
68/1, p. 116 |
| N. Denholm-Young |
English Villagers of the thirteenth century, by George Caspar Homans |
|
11/, p. 137 |
| Michael C. Seymour |
Jon Prœst. Presbyter Johannes' Brev til Emanuel Komnenos, by Allan Karker |
|
48/1, p. 150 |