Google Scholar searches specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research.
Prominent source for scholarly journal articles, book reviews, and dissertations in U.S. & Canadian history. Covers sources published from the 1960s to present.
Official digital archive of the Library of Congress and the database of record for graduate research. Search citations to dissertations and theses from around the world from 1861 to present day, and access full text dissertations.
Access scholarly journal articles, books reviews, and dissertations in modern world history (1450 to present) excluding the U.S. and Canada. Covers sources published from 1955 to present.