Britannica student encyclopedia an A to Z encyclopedia.

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

Britannica student encyclopedia an A to Z encyclopedia.

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

The 21st century Webster's international encyclopedia the new illustrated reference guide

Microsoft Encarta 2006 reference library

The New Webster's international encyclopedia the new illustrated reference guide

The new Webster's international encyclopedia the new illustrated reference guide.

The New Webster's international encyclopedia the new illustrated reference guide

Student handbook desk reference

The New Webster's international encyclopedia the new illustrated home reference guide

The Kingfisher visual factfinder.