Innocent III., [76], [77]

Inquisition, [80]

Isabella of Angoulême, [117]

Jaime I. of Aragon, [85]

Jaufre, Roman de, [23]

Languedoc, [3]

Lemosin, [5]

Lentino, Jacopo da, [82]

Leys d'Amors, [16], [23], [33], [138]

Limousin, [3], [4], [8], [123]