| Walter Ullmann |
Inalienability of Sovereignty in Medieval Political Thought, by Peter N. Riesenberg |
|
26/3, p. 201 |
| James Simpson |
The Theme of Government in 'Piers Plowman', Langland Studies, 1, by A. P. Baldwin |
|
52/2, p. 317 |
| Anthony Pagden |
Spain in the Middle Ages. From Frontier to Empire 1000-1500 (New Studies in Medieval History), by A. MacKay |
|
48/2, p. 327 |