sources
The following list contains basic recommendations/sources on the language at issue.
grammar
grammars, outlines of grammatical structure, grammatical sketches
Bruce S., Roberto D. 1968. Gramática del lacandón. México D.F.: Instituto Nacional de Antropología e Historia.
lexicon
dictionaries, headword search tools, further sources of information about the lexicon
Hofling, Charles A. 2014.
Lacandon Maya-Spanish-English Dictionary. Salt Lake City: University of Utah Press.
teaching material
coursebooks, exercises, materials or introductions supporting teaching
Lacandon in Omniglot
