Author
- Heinrich IV. von Württemberg1
- Heinrich Stegmüller1
- Heinrich von Friemar1
- Hemachandra1
- Henry Suso1
- Henry of Langenstein1
- Hippocrates1
- Honorat Bovet1
- Horilamiśra1
- House of Blois1
- House of Borgia1
- House of Ventimiglia1
- House of della Rovere1
- Ibn Hisham Al-Ansari1
- Ibn Luyun1
- Ibrāhīm al-Ḥusaynī1
- Ibrāhīm ibn ʻAlī Qalqashandī1
- Iccharamasvamin1
- Ildibrandinus1
- Imbert Feutrier1