- Italy--Syracuse1
- Italy--Terranuova Bracciolini1
- Italy--Treviso1
- Italy--Umbria1
- Italy--Urbino1
- Italy--Veneto1
- Italy--Vernio1
- Italy--Verona1
- Italy--Vicopisano1
- Jacopo, Bernardo di1
- Jacopo, Giovanni di1
- Jesuit drama, Latin (Medieval and modern)1
- Jewish Rebellion (66-73 A.D.)1
- Jews--Persecutions1
- Jiří, z Poděbrad, King of Bohemia, 1420-14711
- Joannes de Caligariis1
- John VIII Palaeologus, Emperor of the East, 1392-14481
- John, the Apostle, Saint1
- Judaism--Controversial literature1
- Judgment Day1