Agriculture & Natural Resources: OER Textbooks and Resources

This directory lists free, full text, quality controlled scientific and scholarly journals in many subjects and languages.

OpenDOAR is the quality-assured, global Directory of Open Access Repositories. You can search and browse through thousands of registered repositories based on a range of features, such as location, software or type of material held.

The National Academies Press (NAP) publishes the reports of the National Academies of Sciences, Engineering, and Medicine, which produce more than 200 reports and proceedings each year on a wide range of topics in science, engineering, and medicine providing authoritative, independent advice on important matters in science and health policy.