- Jewish merchants2
- Jews--Charities2
- Jews--Dietary laws2
- Jews--Legal status, laws, etc.2
- Jews--Social life and customs2
- John I, King of Portugal, 1357-14332
- Judaism--Customs and practices2
- Judeo-Arabic language2
- Julius III, Pope, 1487-15552
- Justice, Administration of2
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)2
- Kings and rulers--Genealogy2
- Knowledge, Theory of (Islam)2
- Lacquered bindings2
- Land titles2
- Latin literature, Medieval and modern2
- Latin poetry, Medieval and modern2
- Legal petitions2
- Legends2
- Lettering2