Author
- Justin1
- Justinian I1
- Jörg Muelich1
- Kingdom of England1
- Kingdom of Naples1
- Konrad III. von Soltau1
- Lambert le Bègue1
- Laurentius Cynthius1
- Leo Archpriest1
- Leopold Camp1
- Lope de Espejo1
- Lope de Olmedo1
- Lorenzo Bonincontri1
- Lorenzo Guglielmo Traversagni1
- Louis XII of France1
- Luca Pacioli1
- Lucian of Samosata1
- Lucius Fenestella1
- Ludovico Foscarini1
- Ludovicus Valentia de Ferraria1