Columbia subject headings:
Amazonas (Colombia : Department)
Explorers--Colombia--Amazonas (Department)
Indians of South America--Colombia--Amazonas (Department)
Harvard subject headings:
Colombia--Discovery and exploration.
Discoveries in geography--Colombia.
Indians of South America--Colombia--Yarí River Region.
Indians of South America--Colombia--Yarí River River Region.
Yarí River Region (Colombia)--Description and travel.
Princeton subject headings: