Columbia subject headings:
Colombia--Languages--Congresses.
Ethnicity--Colombia--Congresses.
Indians of South America--Colombia--Languages--Congresses.
Language obsolescence--Colombia.
Harvard subject headings:
Princeton subject headings:
Indians of South America--Colombia--Ethnic identity--Congresses.
Indians of South America--Colombia--Languages--Revival--Congresses.
Indians of South America--Colombia--Languages--Social aspects--Congresses.