- Italy--Senigallia1
- Italy--Sermoneta1
- Italy--Sicily1
- Italy--Siena1
- Italy--Turin1
- Italy--Tuscany1
- Jerome, Saint, -419 or 4201
- Jewish physicians1
- Jews--Legal status, laws, etc.1
- John, the Baptist, Saint1
- Judgment Day1
- Julius III, Pope, 1487-15551
- Kings and rulers--Duties1
- Knights of Malta1
- Language and languages1
- Latin language, Medieval and modern--Grammar1
- Latin language, Medieval and modern--Study and teaching1
- Latin language--Grammar1
- Latin letters, Medieval and modern1
- Latin poetry1