A vocabulary of Central Cagayan Negrito - Oates, William J.; aOates, Lynette (Manila Summer Institute of Linguistics affilaited with the University of North Dakota, 1955)
Published in cooperation with the Bureau of Public Schools and the Institute of National Language of the Department of Education.
"Central Cagayan Negrito is spoken by Negritos calling themeselves Agtas who live in an area of the Cagayan Valley stretching from Lallo to Amulung."
Keywords: Central Cagayan Negrito dialect; Central Cagayn Negrito -- Glossaries, vocabularies, etc