- Indians of South America--Languages1
- Indians of South America--Legal status, laws, etc.1
- Indians of South America--Social life and customs1
- Indians of the West Indies1
- Indians, Treatment of8
- Inheritance and succession7
- Inquisition17
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- International relations7
- Isabel, of Coimbra, Queen, consort of Afonso V, King of Portugal, 1432-14551
- Isabella I, Queen of Spain, 1451-15044
- Isidore, of Seville, Saint, -6361
- Islam1
- Islamic law1
- Italy25
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- Italy--Florence1
- Italy--Genoa1