Encyclopedias, Almanacs, Transcripts, and Maps
- William IV of Bavaria
- William la Zouche
- William of Aebelholt, St.
- William of Alnwick
- William of Aquitaine, St.
- William of Auvergne (of Paris)
- William of Auvergne°
- William of Auxerre
- William of Bourges, St.
- William of Conches
- William of Cremona
- William of Drogheda
- William of Edyndon
- William of Hecham
- William of Heytesbury
- William of Hirsau, Bl.
- William of Kilkenny
- William of Macclesfeld
- William of Maleval, St.
- William of Melitona (Middleton)