This collection contains correspondence, postcards, yearbooks, report cards, identification documents and certifications, World War II-related material, photographs, photograph albums, travel receipts and information, and other material related to the Yamamoto family. Subjects in this collection include World War II incarceration, Japanese American families, and travel.

This collection contains books, pamphlets, flyers, photographs, booklets, correspondence, periodicals, and oversized material related to Japanese Americans. Subjects in the collection include incarceration camps, Southbay local history, World War II propaganda, Japanese American families, incarceration camp pilgrimages, and other topics.