Google Book Search is a service from Google that searches the full text of books that Google scans, converts to text using optical character recognition, and stores in its digital database.
Book Collection • Journal Collection • Factual Database
The International Monetary Fund's eLibrary simplifies analysis and research with direct access to the IMF's periodicals, books, working papers, studies and statistics. In addition various statistical and visualization tools to showcase IMF datasets are offered free of charge via the IMF Data platform.
Book Collection • Fulltext Database
A collaborative effort of the Networked Digital Library of Theses and Dissertations (NDLTD), OCLC, VTLS, and Scirus, the NDLTD Union Catalog contains more than one million records of electronic theses and dissertations. For students and researchers, the Union Catalog makes individual collections of NDLTD member institutions and consortia appear as one seamless digital library of electronic theses and dissertations.
Project Gutenberg is a volunteer effort to digitize and archive cultural works. Founded in 1971 by Michael Hart, it is the oldest digital library. Project Gutenberg's mission is "To encourage the creation and distribution of eBooks".