Over 36 million records of any type of material cataloged by OCLC member libraries. Includes citations of manuscripts written as early as the 11th century. Updated daily.

The American Psychological Association’s PsychNet is a collection of over 750 APA books, classic books, and entries from the Encyclopedia of Psychology published between 1999 and present day.

Access to dissertations and theses produced by students at Oklahoma State University.

The world's most comprehensive collection of multidisciplinary dissertations and theses, comprising 6 million records from over 70 countries and more than 4,100 institutions.

An open-access database of citations for those attempting to locate historical and contemporary dissertations and theses published between 1900 and now.

Open Research Oklahoma (ORO) is the institutional repository for Oklahoma State University. Launched in 2024, this portal serves as the home for the intellectual output of the university and includes digital dissertations, faculty publications, undergraduate research, open educational resources, and more.