Further Information
JPCA Graphica
Yoko's page in the Japan Photographic Copyright Association's catalogue.
Art in Context
On the Web since 1995, the Art in Context web site provides public access to information concerning artists and arts organizations around the world. Art in Context is a publicly supported nonprofit organization and member of Metropolitan New York Library Council and the Association of College and Research Libraries, American Library Association.
Tokyo Jinken
Article (in Japanese) about Yoko's work in documenting traditional Japanese culture.