Sho, David, and Walter Matsuoka stand outside, probably at the Amache concentration camp.

The 1946 edition of the Courtland Joint Union High School yearbook, La Perita, belonging to Walter Matsuoka. Walter is included in the candid shots. Sho Matsuoka is included in the senior class portraits. David Matsuoka is included in the sophomore class photograph and basketball ball team photograph. The yearbook includes several handwritten messages and signatures.

The 1945 (and final) edition of the Amache High School yearbook, Onlooker, belonging to Walter Matsuoka. Walter is included in the sophomore class portraits and candid shots. Sho Matsuoka is included in the football team photograph. The yearbook includes several handwritten messages and signatures.

A portrait of the Matsuoka family by Toyo Studio.

A program for the 1981 Walnut Grove reunion with the schedule of events, directory, boosters, advertisements, and more. The Matsuoka family is listed on page 66 of the directory and as boosters on page 78. Toshio Matsuoka is listed on page 40 as responsible for posters.