You can plug in a nationality or ethnic group, like the examples below, and find biographies and autobiographies.
You can find books and media ABOUT autobiography as a form in the ASU Library's Catalog, but it is harder to find autobiographies themselves. You must sort through the lists to find the autobiographies.
These are the best sources for finding actual autobiographies and memoirs. Once you identify some titles of interest, check the ASU Library Catalog.
That's right, online book stores offer the easiest ways to find multicultural autobiograhies. Simply go to the Book search and enter your area of interest, for example "African American Autobiography."