Kutsukake, Toshimichi, “Funeral Address,”Shunyo, No. 52, Shunyo Art Society Editorial Department, 1986.

Maruyama, Tsuneo,“Self-Introduction,” Shunyo, No. 26, Shunyo Art Society Editorial Department, 1971.

Maruyama, Tsuneo,“Shunyo Association and Ueda, Nagano,” Shunyo, No. 32, Shunyo Art Society Editorial Department, 1976.

Minamioji, Hajime ,“Dedicated to Tsuneo Maruyama,” Tsuneo Maruyama Posthumous Works Collection, Tsuneo Maruyama Posthumous Works Exhibition, Ueda City Tourist Hall, Ueda City, October 5–11, 1988, Tsuneo Maruyama Posthumous Works Exhibition Organizing Committee, 1988.

Ogasawara, Tadashi  and Daiki Hyuga, “Ueda Chronicle – 100-year Genealosy of Painting in Ueda and Chiisagata area –,” Section 4. Seeds of Culture in the post-war Ueda and Chiisagata area: Master Shikanosuke Oka and Rokuenkai workshop, Tadashi Ogasawara, Nanami Ohtsuka, and Daiki Hyuga, Ueda Chronicle – 100-year Genealosy of Painting in Ueda and Chiisagata area —, Ueda Chronicle Executive Committee, 2024.

the Owner of Daihitsu-kan, “Seeing the Tsuneo Maruyama Posthumous Works Exhibition (Part 1 and 2),” Shinshu Minpo Newspaper, October 12–13, 1988.

Shinano Mainichi Newspaper,“Human Inner Reflection in ‘Three Crabs’ by Tsuneo Maruyama,”  October 17, 1988.

Tanaka, Yasuo,“Painting with Grit and Spirit,” Six Artists’ Posthumous Exhibition Collection, Six Artists’ Posthumous Exhibition, Ueda Creative Hall, Ueda City, September 5–15, 1993, Ueda City Regional Promotion Corporation: Posthumous Exhibition Executive Committee, 1993.

Tanaka, Yasuo,“Tsuneo Maruyama,” Shunyo, No. 52, Shunyo Art Society Editorial Department, 1986.

Tanaka, Yasuo, “Tsuneo Maruyama,” edited by Kiyoshi Ishizawa, Complete Art Collection of Nagano Prefecture Vol. 7: The World of Western Painting Blooming in the Region, Kyodo Publishing, 1994.

Yamamoto Kanae Memorial Museum, “Tsuneo Maruyama,” Shunyo Association Three Artists Exhibition Pamphlet, Shunyo Association Three Artists Exhibition, Yamamoto Kanae Memorial Museum, Ueda City, October 5–7, 1971, Yamamoto Kanae Memorial Museum, 1971.

Newspaper unknown, “My Way: Continuing to Paint Red Crabs Beyond a Hundred Pieces, Constantly Seeking Newness, Rejecting ‘Authority’ and Leading from Outside—Tsuneo Maruyama.