Columbia subject headings:
Harvard subject headings:
Chol language--Verb.
Chontal language--Verb.
Chorti language--Verb.
Mayan languages--Aspect.
Mayan languages--Mood.
Mayan languages--Tense.
Mayan languages--Verb.
Tzeltal language--Verb.
Tzotzil language--Verb.
Princeton subject headings:
Chol language--Verb.
Chontal language--Verb.
Chorti language--Verb.
Mayan languages--Aspect.
Mayan languages--Mood.
Mayan languages--Tense.
Mayan languages--Verb.
Tzeltal language--Verb.
Tzotzil language--Verb.