Ohio History Central | Online EncyclopediaAn evolving, online encyclopedia from the Ohio Historical Society. Find information, images, timelines, maps, and documents about Ohio’s history, geography, geology, animals, and American Indian populations. |
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Oxford Research EncyclopediasThe Oxford Research Encyclopedias offer long-form overview articles written, peer-reviewed, and edited by leading scholars. Each encyclopedia covers both foundational and cutting-edge topics in order to develop, over time, an anchoring knowledge base for major areas of research across the humanities, social sciences, and sciences. |
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World Book OnlineResources include encyclopedic content, e-books, multimedia, a vast collection of primary source documents, and a wealth of research tools that allow students to customize and save their work. Tailored for the needs and skills of older students, World Book Advanced integrates primary and secondary source databases in a single search. |