FYI: The American Historical Association recently announced in 2017 that oral history is excluded from review by Institutional Review Boards. Read the Federal Register announcement of January 19, 2017.
There are many different repositories for digitized oral histories. Ask your librarian for help finding ones relevant to your work!
Largest African American oral video history archive in the world. The site works best in modern (2020 or newer) browsers like Chrome, Safari, Edge, and Firefox. It will not work in Internet Explorer. To access, choose "Colleges, Universities, and Libraries: Access Through Your Institution" and search for Carnegie Mellon to get to the login box.