vocabularies of Philippine and other Austronesian languages Cognate sets for Austronesian languages R. David Zorc field notes (页面存档备份,存于互联网档案馆) Philippine
Campbell: Compendium of the World’s Languages. Routledge, London 2000 (2. Auflage). Joseph Greenberg: The Languages of Africa. Mouton, The Hague and Indiana