Open Access Theses and Dissertations


OATD.org aims to be the best possible resource for finding open access graduate theses and dissertations published around the world. Metadata (information about the theses) comes from over 1100 colleges, universities, and research institutions. OATD currently indexes 4,678,222 theses and dissertations.


  • California Institute of Technology

    CaltechTHESIS contains Ph.D., Engineer's, Master's, and Bachelor's/Senior theses authored by Caltech students. Most items in CaltechTHESIS are textual dissertations, but some may also contain software programs, maps, videos, etc.

  • Cornell University

    eCommons@Cornell is a service of the Cornell University Library that provides long-term access to a broad range of Cornell-related digital content of enduring value. It does so by accepting, describing, organizing, storing, and preserving that content.

  • EBSCO Open Dissertations

    EBSCO Open Dissertations now includes the content from American Doctoral Dissertations. It is freely available to researchers everywhere with records for more than 800,000 electronic theses and dissertations from around the world.

  • McMaster University

    Contains theses and dissertations of the following engineering courses: Aerospace Engineering, Biomedical Engineering and Bioengineering, Chemical Engineering, Civil and Environmental Engineering, Computational Engineering, Computer Engineering, Electrical and Computer Engineering, Engineering Science and Materials, Materials Science and Engineering, Mechanical Engineering, Nanoscience and Nanotechnology, Nuclear Engineering, Operations Research, Systems Engineering and Industrial Engineering, and Other Engineering courses.

  • Networked Digital Library of Theses and Dissertations (NDLTD)

    The website includes resources for university administrators, librarians, faculty, students, and the general public.

  • ProQuest Dissertations & Theses

    PQDT Open provides the full text of open access dissertations and theses free of charge.

  • Open Access Theses and Dissertations - OATD

  • Purdue University

    Purdue e-Pubs is a Digital Commons project that highlights university scholarship of various types (working papers, journal articles, dissertations and theses, etc.)

  • University of Massachusetts Amherst

    Contains theses and dissertations for the following engineering courses: Chemical Engineering, Civil and Environmental Engineering, Electrical and Computer Engineering, and Mechanical and Industrial Engineering.

  • University of Miami

    Contains open access thesis of various engineering courses: Biomedical Engineering; Civil, Architectural, and Environmental Engineering; Electrical and Computer Engineering; Industrial Engineering; and Mechanical Engineering.