Chretien, Douglas. 1962. A classification
of twenty-one Philippine languages.Philippine Journal of
Science,
91: 485 - 506.
Comrie, Bernard (ed). 1987.
The
World’s Major Languages. Sydney: Croom Helm.
Dyen, Isidore. 1971. The Austronesian
languages and Proto-Austronesian. In Thomas Sebeok (ed)
Current Trends
in Linguistics, Vol. 8, Part 1: Linguistics in Oceania..
____________. 1965. A lexicostatistical
classification of the Austronesian languages. International
Journal
of American Linguistics, Memoir 19.
Grimes, Barbara F (ed). 1996.
Ethnologue: Languages of the World, 13th edition.
Dallas, Texas:
Summer Institute of Linguistics.
Llamzon, Teodoro; S.J. 1978.
Handbook
of Philippine Language Groups.
Quezon City Ateneo
de Manila Press.
McFarland, Curtis D. 1966. Subgroupings
and number of Philippine languages or How many
Philippine languages
are there? In Maria Lourdes S. Bautista (ed) Readings in
Philippines
Sociolinguistics. Manila: De La Salle University Press.
Ruhlen, Merritt. 1987. A
Guisde to the World’s Languages (Volume 1: Classification).
California:
Standford University Press.
Thomas, David and Allan Healy.
1962. Some Philippine language subgroupings and reconstruction.
A lexicostatistical
study. Anthropological Linguistics, 4 (1) : 21-33.
Zorc, David Paul R. 1975. The
Bisayan dialect of the Philippine subgroupings and reconstruction.
Dissertatio
(Ph.D), Cornell University. Published in 1977, Canberra: The Australian
NationalUniversity).