Columbia subject headings:
Brazil--Languages--History.
Cariban languages--Phonology, Historical.
Suriname--Languages--History.
Trio language--Phonology, Historical.
Harvard subject headings:
Brazil--Languages--History.
Cariban languages--Phonology, Historical.
Suriname--Languages--History.
Trio language--Phonology, Historical.
Princeton subject headings:
Brazil--Languages--History.
Cariban languages--Phonology, Historical.
Suriname--Languages--History.
Trio language--Phonology, Historical.