Each of these links has great resources to Open Education Resources and textbooks. Many of the links have a wide variety of subject matters. The more textbooks the site has on a given topic the more “” icons it will have next to its subjects.
BCcampus
BCcampus includes an icon that notifies you if the textbook has been reviewed by a faculty member and if the textbook has been adopted into a course.
Arts and Humanities
Business and Law
Health and Science and Math
Social Sciences
Trade
Arts and Humanities
Business and Law
Health and Science and Math
Social Sciences
Arts and Humanities
Business and Law
Health and Science and Math
Social Sciences
Arts and Humanities
Business and Law
Health and Science and Math
Social Sciences
George Mason University Libraries offers a one stop search box for Open and Affordable Educational Resources from multiple repositories
Arts and Humanities
Business and Law
Health and Science and Math
Social Sciences
Health and Science and Math
Business and Law
Health and Science and Math
Social Sciences
Arts and Humanities
Business and Law
Health and Science and Math
Social Sciences
Health and Science and Math
Arts and Humanities
Business and Law
Health and Science and Science
Social Sciences
Washington 45
Washington 45 includes courses and course materials that they consider to be the transferable classes for undergraduate students.
Arts and Humanities
Health and Science and Math
Social Sciences
Arts and Humanities
Business and Law
Health and Science and Math
Social Sciences