Sources for textbooks were selected with Creative Commons CC By licensing, allowing you to download, reuse, revise, and redistribute the content.
| Source | Description |
|---|---|
 | A curated catalog of open college textbooks hosted by the University of Minnesota; a good place to start your search. |
 | The Directory of Open Access Books offers links to previously published books under Creative Commons licensing. |
 | The Applied Math & Science Education Repository offers OER textbooks in science and technology as well as links to other resources. |
 | Grand Valley State University offers a small collection of books with Creative Commons licensing. |
 | A collection of UC Press books made Open Access, published 1982-2004. |
 | The OpenStax Catalog features open textbooks; hosted by Rice University and its OpenStax CNX platform. |
 | A list of books CalTech faculty have published and offer as Open Access. |
 | Use the Advanced Search in Google Books to narrow to Full View and subject. |
 | Another search interface for Open textbooks and courses. |
 | Mathematics textbooks for college level courses. |
 | University and academic press books that have been published as Open Access texts from European publishers. |
 | British Columbia Ministry of Advanced Education, Innovation, and Technology supported OER textbook effort. |
 | A growing collection of Open textbooks from a SUNY Press and library collaboration. High quality texts for a range of courses. |