Classic works and primary sources. "Most books available here are in the Public Domain unless otherwise noted, and are therefore free to download, use, re-use, and re-mix without regard to copyright."
Founded in 2008, CRRA is a nonprofit (501c3) membership alliance of institutions collaborating to deliver projects and services in support of its mission "to provide enduring global access to Catholic research resources in the Americas."
"The World Factbook provides basic intelligence on the history, people, government, economy, energy, geography, environment, communications, transportation, military, terrorism, and transnational issues for 266 world entities."
"DOAB is a community-driven discovery service that indexes and provides access to scholarly, peer-reviewed open access books and helps users to find trusted open access book publishers. All DOAB services are free of charge and all data is freely available."
"At Encyclopedia.com, you get free access to over 300,000 reference entries from sources you can cite. Plus, more than 50,000 topic summaries feature related pictures, videos, topic summaries, and newspaper and magazine articles from around the world."
"HathiTrust is a partnership of academic and research institutions, offering a collection of millions of titles digitized from libraries around the world."
"IPL offers a starting point for anyone doing research on the Internet. Main collections include reference, exhibits, magazines and serials, newspapers, online texts, web searching, and extensive teen and youth collections."
"More than 9,000 Open Access books from 100+ publishers, including Brill, Cornell University Press, De Gruyter, and University of California Press, are now available at no cost to libraries or users."
"This is a growing collection of contemporary open access e-books. The books in this collection cover a wide range of subjects, including history, music, poetry, technology, and works of fiction. All books added to this collection underwent a selection process whereby subject matter experts from across the Library of Congress determined which works were in scope based on the Library's Collections Policy Statements."
Power Library is a "statewide online catalog and interlibrary loan service that facilitates resource sharing among more than 1,500 Pennsylvania libraries."
Note: A library card from a Pennsylvania public library or eCard from the State Library of Pennsylvania is needed to use this resource.