- Inscriptions, Latin1
- Islam1
- Italy--Milan1
- James, the Greater, Saint1
- Jesuit drama, Spanish1
- Jesuits1
- Jiménez de Cisneros, Francisco, 1436?-15171
- John II, King of Aragon, 1397-14791
- Juana, of Austria, Princess of Portugal, 1535-15731
- Judaism--Doctrines1
- Kings and rulers--Genealogy1
- Latin language--Study and teaching1
- Latin poetry1
- Lawyers1
- Legal documents1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Letter writing, Hebrew1
- Lippomano, Luigi, 1500-15591
- Lorraine, Nicolas-François, duc de, 1609-16701
- Macaronic poetry1