* {{cite book | last=Carpenter | first=David A. | title=The Minority of Henry III | publisher=Univ of California Press | publication-place=Berkeley Los Angeles | date=1990-01-01 | isbn=0-520-07239-1}}
<ref name="h174">{{cite book | last=Carpenter | first=David A. | title=The Minority of Henry III | publisher=Univ of California Press | publication-place=Berkeley Los Angeles | date=1990-01-01 | isbn=0-520-07239-1 | page=}}</ref>