HyperHistory is an expanding scientific project presenting 3,000 years of world history with an interactive combination of synchronoptic lifelines, timelines, and maps. HyperHistory is a companion to the World History Chart.

Includes citations for dissertations ranging from 1861 to ProQuest Dissertations and Theses: Global (PQDTGlobal) is the world's most comprehensive collection of full-text dissertations and theses. As the official digital dissertations archive for the Library of Congress and as the database of record for graduate research, PQDTGlobal includes millions of searchable citations to dissertations and theses from 1861 to the present day together with over a million full-text dissertations that are available for download in PDF format. There are over 2.4 million titles full-text dissertations  in PQDTGlobal. The database offers full text for most of the dissertations added since 1997 and strong retrospective full-text coverage for older graduate works. It also includes PQDT UK & Ireland content.

Encyclopaedias and specialized reference resources in: Arts, Biography, History, Information and Publishing, Law, Literature, Medicine, Multicultural Studies, Nation and World, Religion, Science, Social Science