A collection of over 3,000,000 reference entries on topics from all the major
academic subject areas serving as a great starting point for research. Full text articles plus images, audio files, and videos. Credo Reference also includes cross-references to other full text titles containing related information.
Includes more than 450 encyclopedias, dictionaries, handbooks, guides, and atlases in all fields. Sources are selected from 100 major publishers, such as ABC Clio, Bloomsbury, Cambridge University Press, Elsevier, Greenwood, Penguin, Routledge, Sage, Thames and Hudson, Wiley, and more.
Contains 187 fully-indexed, cross-searchable reference works published by Oxford University Press. The collection includes subject encyclopedias, dictionaries, and reference works in more than 20 subject areas.
We have the Premium Collection and the Western Civilization Collection.
This newly revised edition provides a wealth of information for students and general readers on the very relevant topic of the environment. Articles cover an amazing range of topics - from endangered animal species and air pollution to smog and urban planning. 300 new articles are included, and all of the original essays have been re-evaluated for currency and accuracy.
The Encyclopedia of Global Warming and Climate Change is a collection of approximately 750 articles in a three-volume set exploring major topics related to global warming and climate change-ranging geographically from the North Pole to the South Pole, and thematically from social effects to scientific causes.
The Encyclopedia of Ecology and Environmental Management
Encyclopedia of Environmental Issues by 
Encyclopedia of Global Warming and Climate Change by 
The Princeton Guide to Ecology by
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