Columbia subject headings:
Guarani Indians--History.
Guarani language--History.
Guarani literature.
Paraguay--Languages--History.
Harvard subject headings:
Guarani Indians.
Guarani language--Paraguay--History.
Guarani language--Social aspects--Paraguay.
Guarani language.
Guarani literature--History and criticism.
Guarani literature--Paraguay.
Paraguay--Languages--History.
Princeton subject headings:
Guarani Indians--Languages.
Guarani language--Paraguay--History.
Guarani literature--History and criticism.
Paraguay--Languages--History.