Louis IX
| Author(s) | Title | Reference | |
|---|---|---|---|
| J.R.L. Highfield | Feudalism and Liberty. Articles and Addresses of Sidney Painter, by Fred. A. Cazel Jr. | 32/1, p. 90 | |
| NORMAN HOUSLEY | Louis IX and the Challenge of the Crusade. A Study in Rulership, by William Chester Jordan | 50/1, p. 186 |