Who Killed Vincent Chin is, I believe, distributed by Filmakers Library.
Daterape Backlash is available from The Media Education Foundation ...
Northampton, MA
Both addresses at http://www.lib.berkeley.edu/MRC/Distributors.html
Gary Handman
Director
Media Resources Center
Moffitt Library
UC Berkeley, CA 94720-6000
510-643-8566
ghandman@library.berkeley.edu