Columbia subject headings:
Indians of South America--Education--Paraguay.
Indians of South America--Health and hygiene--Paraguay.
Indians of South America--Paraguay--Public opinion.
Public opinion--Paraguay.
Harvard subject headings:
Indians of South America--Education--Paraguay.
Indians of South America--Health and hygiene--Paraguay.
Indians of South America--Paraguay--Public opinion.
Public opinion--Paraguay.
Princeton subject headings:
Indians of South America--Paraguay--Education.
Indians of South America--Paraguay--Health and hygiene.
Indians of South America--Paraguay--Public opinion.
Public opinion--Paraguay.