Encyclopaedia Britannica.

The language of cities a glossary of terms by Abrams, Charles 1901-1970

A dictionary of non-Christian religions by Parrinder, Edward Geoffrey

Dictionary of psychology and related fields German-English by Beigel, Hugo G.

Webster's third new international dictionary of the English language, unabridged with seven language dictionary Philip Babcock Gove and the Merriam-Webster editorial staff].

Cebuano pronouncing dictionary with meanings in Pilipino and English by Bas, Nazario D.

Tagalog or Pilipino language guide for foreigners and non-tagalogs (patnubay sa pag-aaral ng Tagalog o wikang Pilipino) by De Guzman, Maria Odulio

Blackwell's concise encyclopedia of ecology

Available for University of the Philippines Diliman via Wiley Online Library. Click here to access

Dictionary of pregnancy, childbirth and contraception by Brant, Herbert A.

Philippine encyclopedia of social work by De Guzman, Leonora S.