- John of La Rochelle.1
- John, the Baptist, Saint1
- Judaism -- Relations -- Christianity.1
- Justice1
- Knowledge management1
- Kohl, Benjamin G.1
- Krönig, Wolfgang, 1904-19921
- L'Hospital, Michel de, 1507-1575.1
- Latin literature, Medieval and modern1
- Latin philology, Medieval and modern.1
- Law1
- Learned institutions and societies2
- Learned institutions and societies -- Italy1
- Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.2
- Letters History and criticism1
- Letters in literature1
- Lexicography1
- Libraries -- History -- 20th century1
- Ligorio, Pirro1
- Ligorio, Pirro, approximately 1513-15832
