Open Access Databases: Air Conditioning & Refrigeration

"Open Access. Powered by Scholars. Published by Universities." Over 4 million articles available.

Large collection of open access books, made available by academic publishers such as Springer and Brill.

List of free, full text, quality controlled scientific and scholarly online journals. Covers journals for all subjects, in all languages. (Full text)

Discover research archived by institutions and by individuals. Use the search box at the top of the window to locate research on your subject.

Visit the Library of Congress website to view digital collections and exhibits and to access public domain resources. Use one of the largest online catalogs in the world. U.S. history, government, and law is a primary strength of the digital collections which include art, primary documents, newspapers, and resources too numerous to mention. Some collections are listed separately in this guide.

"MERLOT is a curated collection of free and open online teaching, learning, and faculty development services contributed and used by an international education community."

"The National Bureau of Economic Research (NBER) is a private, nonpartisan organization that facilitates cutting-edge investigation and analysis of major economic issues. It disseminates research findings to academics, public and private-sector decision-makers, and the public by posting more than 1,200 working papers and convening more than 120 scholarly conferences, each year."

"Openly Available Sources Integrated Search (OASIS) is a search tool that aims to make the discovery of open content easier. OASIS currently searches open content from 57 different sources and contains 159,459 records."

A network for teaching and learning materials, complete with resources for curriculum alignment, quality evaluation, social bookmarking, tagging, rating, and reviewing.

"The US Department of Labor’s Trade Adjustment Assistance Community College and Career Training (TAACCCT) program created a free and open online library called SkillsCommons containing free and open learning materials and program support materials for job-driven workforce development. The $1.9 billion investment by the US Department of Labor produced a comprehensive collection of workforce-related Open Educational Resources (OER) created by over 700 community colleges across the nation. The OER can be found, reused, revised, retained, redistributed and remixed by an individual, institution, and industry for FREE with the proper attribution to the original author of the resources."