Lamuts, [373]

Languages, monosyllabic, agglutinative, polysynthetic, inflectional, [130][133]

Lapps, [80], [293]

Latins, [235], [335]

Leni-Lenapé, [526]

Lenkas, [540]

Levirate, [236]

Linguistic characters: gesture and speech, divisions of language according to structure, optic and acoustic signals, handwriting, mnemotechnic objects, pictography, ideography, alphabets, [127][143]

Lo-lo, [381]

Loucheux, [524]