Van Nostrand's scientific encyclopedia Glenn D. Considine, editor-in-chief ; Peter H. Kulik, associate editor.

Encyclopedia of health and education for the family by Aguilar, Isidro

Philosophy of education the key concepts by Winch, Christopher

International encyclopedia of the social sciences

Compton's

1001 foods you must try before you die

Philip's encyclopedia

Pears cyclopedia 2008-2009 book of reference and background information for all the family

Encyclopedia of geographic information science

Available for University of the Philippines Diliman via Gale Virtual Reference Library. Click here to access

Gale encyclopedia of world history governments.

Available for University of the Philippines Diliman via Gale Virtual Reference Library. Click here to access