Title from "Nihon Yēru Kyōkai Korekushon mokuroku" in Kokubungaku Kenkyū Shiryōkan Bunken Shiryōbu. "Chōsa kenkyū hōkoku" dai 11-gō (Heisei 2-3 [1990-91]).
"Portraits of 12 emperors between 737 and 1912. Copied by hand in color from historical portraits. An album. Tokyo, 1934." (K. Asakawa. "Gifts of the Yale Association of Japan," 1945).
Yale Association of Japan Collection original call number: Aa1.