The materials include loose photographs, a photograph album, letters, ephemera such as Toshiko's school records, a "Memorial Chimes" boxed funeral album regarding Kenji Kojima, and other materials relating to the Kojima family and their struggle to re-establish their lives after World War II. Including over 120 letters, circa 1948-1960, most with their original mailing envelopes sent to Toshiko Kojima in New York City from her brother Minoru in Pasadena and other locations in California as well as when he was in the military, and letters from her mother Ichi Kojima in Pasadena.