- 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 societies -- Italy1
- Letters History and criticism1
- Letters in literature1
- Lexicography1
- Libraries -- History -- 20th century1
- Ligorio, Pirro1
- Literary forgeries and mystifications1
- Longevity1
- Lotteries -- Italy.1
- Louis, I, Emperor, 778-840.1
- Luria, Isaac ben Solomon, 1534-15721
- Maimonides, Moses, 1135-1204 1
- Malebranche, Nicolas, 1638-1715.1