- Letter writing1
- Letter writing, German1
- Letters, Papal1
- Liber sextus decretalium (Catholic Church)1
- Lion hunting1
- Lippomano, Luigi, 1500-15591
- Local government--Law and legislation1
- Louis XII, King of France, 1462-15151
- Low German language1
- Ludwig IV, Holy Roman Emperor, 1282?-13471
- Lutheran Church1
- Lutheran Church--Controversial literature--Catholic authors1
- Machiavelli family1
- Magic squares1
- Magic--Religious aspects--Christianity1
- Magnificat (Music)1
- Malatesta family1
- Malatesta, Sigismondo Pandolfo, signore di Rimini, 1417-14681
- Manichaeism1
- Manuscripts, Czech1