The Horita Family Papers (1940-2010, undated) collection contains 2.6 linear feet of documents from the Horita family, a Japanese American family from the Los Angeles area. The collection focuses on married couple Chitoshi “Harry” Horita (1896-1990) and Marue Nakashima Horita (1901-1982) and their extended family and includes records of the family’s incarceration at the Poston (Colorado River) incarceration camp, research into the family’s history, photographs, and correspondence.

This collection contains one box of photographic images taken by Ted Kahara, a World War II Japanese-American Infantryman and Intelligence Officer. Materials include: 35 mm slides and negatives, and photographs.

The Terminal Island Personal Histories Collection features one transcribed oral history, one autobiography, and one possible rough draft edition of a book entitled, "Terminal Island: An Island in Time, Collection of Personal Histories of Former Islanders 1994-1995". All of the materials in this are available online.

The Kiyoko Maeda Yoshioka photographs collection (1916-1990, bulk 1937-1941) includes digital reproductions of family photographs primarily documenting the life of Kiyoko Maeda Yoshioka in the years before, during, and after World War II. The collection also includes digital reproductions of a short essay written by Hatsuko Mary Yoshioka Higuchi, redress papers, and a handout from a sewing class at Poston Incarceration Camp. All materials in this collection are digital reproductions.