- Italy--Rovigo (Province)1
- Italy--Salò1
- Italy--Sermoneta1
- Italy--Sette Comuni1
- Italy--Tuscany1
- Italy--Umbria1
- Italy--Veneto1
- James, the Greater, Saint1
- Jerónima de la Asunción, madre, 1555-16301
- Jesuit drama, Latin (Medieval and modern)1
- Jewish physicians1
- Jews--Persecutions1
- Jiří, z Poděbrad, King of Bohemia, 1420-14711
- John IV, King of Portugal, 1604-16561
- John Manuel, Prince of Portugal, 1537-15541
- John V, King of Portugal, 1689-17501
- John VIII Palaeologus, Emperor of the East, 1392-14481
- John, the Apostle, Saint1
- Juana, of Austria, Princess of Portugal, 1535-15731
- Judaism--Controversial literature1