» About.com: Geography Glossary    Geographical terms defined.    http://geography.about.com/education/scilife/geography/library/misc/blgg.htm

» Biogeography Glossary    Terms arranged according to various subject categories including general biogeography, ecology, evolution, landscape ecology and taxonomy maintained by Radford University.    http://www.runet.edu/~swoodwar/CLASSES/GEOG235/glossary.html

» Free Edition of the AGI GIS Dictionary    Nearly 1,000 GIS terms and 52 diagrams published by the Association for Geographic Information and the University of Edinburgh Department of Geography.    http://www.geo.ed.ac.uk/agidict/welcome.html

» Geographic.org: Glossary    Alphabetized list of words with definitions.    http://www.geographic.org/glossary.html