- Jews--Medicine1
- Jiménez de Cisneros, Francisco, 1436?-15171
- John II, King of Aragon, 1397-14791
- Juana, of Austria, Princess of Portugal, 1535-15731
- Jugurthine War (111-105 B.C.)1
- Knights of Malta1
- Latin America1
- Latin essays1
- Latin language--Study and teaching1
- Latin poetry1
- Legal documents1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Letter of Aristeas1
- León, Luis de, 1527-15911
- Liturgical books1
- Logic1
- Lorraine, Nicolas-François, duc de, 1609-16701
- Macaronic poetry1
- Macaronic verse1
- Magic1