• Robert J. Sharer, La civilisación maya (tercera edición), Fondo de Cultura, 1998, ISBN 968-16-4771-8, fig XIII.2

  Contains the basic shape of the tree

• Raymond G. Gordon Jr. (ed.), Language family trees : Mayan, in Ethnologue: Languages of the World (15th edition), Dallas, Tex.: SIL International.

  Factual corrections (= update of the language tree model) and group names

• David F. Mora-Marín, Proto-Ch'olan as the Standard Language of Classic Lowland Mayan Texts, Current Anthropology

  Proto-Ch'olan - then Eastern Ch'olan? - (Chortí & Cholti's ancestor) as Classical Maya, and update of chortí/chol split date.

1. Not all Mayan languages have been reported, names in the picture are groups of closely related languages (mutually intelligible) often with the same name.
2. The separations are theoretical reconstructions based on grammar and vocabular differences of today's language as well as phonetic hints from Classical Maya inscriptions (IV-Xth centuries).

A slightly different, English version of the Maya Language Tree is available at Image:Mayan Language Tree in colour.png.

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