Excavated at Choja zuka, Sakume, Asami mura, inami gun, Ise provinceDr. Seki Yasunosuke, Japan (until 1927; his sale, Kyōto Bijutsu Kurabu, Kyōto, November 28, 1927, no. 19, to MMA).
Kyōto Bijutsu Kurabu. Seki Yasunosuke-Shi Shozōhin Nyūsatsu Mokuroku. Kyōto: Kyōto Bijutsu Kurabu, November 28, 1927. no. 19, ill.
Hoopes, Thomas T. "Recent Acquisitions of Japanese Arms and Armor in the Metropolitan Museum." Metropolitan Museum Studies (May 1930), pp. 221–23, n. 2, ill.
Suenaga, Masao. Nihon Jōdai No Katchū. Ōsaka-shi: Sogensha, 1944. pl. 7.
Okada, Yuzuru, and Tōkyō Kokuritsu Hakubutsukan. Pageant of Japanese Art: Ceramics and Metalwork from 551 (pre-Buddhist) to 1868 (Edo period). Vol. 4. Tokyo: Tōto Bunka, December 1952. pp. 39, 75, fig. 66.
Grancsay, Stephen V. "The New Galleries of Oriental Arms and Armor." The Metropolitan Museum of Art Bulletin (May 1958), pp. 252–53, ill.
Grancsay, Stephen V. "The Japanese Armor Gallery in the Metropolitan Museum of Art." The Connoisseur (September 1961), p. 12, ill.
Vianello, Gianni. Armi in Oriente. 1st ed. ed. Milan: Fratelli Fabbri Editori, 1966. pl. 48.
Nickel, Helmut. "Arms and Armor from the Permanent Collection." The Metropolitan Museum of Art Bulletin (Summer, 1991), pp. 56, 64, ill.