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Credo Reference is an easy-to-use tool for research projects and homework. Search in hundreds of encyclopedias, dictionaries, thesauri, quotations, and subject-specific titles, as well as 200,000+ images and audio files, and nearly 100 videos.

Encourage users to build on their ongoing list of background sources and specific vocabulary to help them get starting and develop their preliminary research topic.


Special Features


  • Citations in APA, Chicago, Harvard and MLA styles.
  • Photos, images, maps, audio, video.
  • Mind Map Browsing  (an interactive, visual tool for exploring related concepts)
  • Interface Language Selection in multiple languages.


Old Maps Online 

A free search engine for historical maps


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