EDSRC:Proceedings of the Physico-Mathematical Society of Japan. 3rd series = Nippon Sugaku-buturigakkwai kizi. Dai 3 ki, v. 26, no. 3/4 (Mar./Apr. 1944): colophon (日本數學物理學會 東京帝國大學理學部内)
Journal of the Mathematical Society of Japan, v. 1, no. 1 (Sept. 1948): cover verso (The Mathematical Society of Japan is the continuation of the mathematical part of the Physico-Mathematical Society of Japan founded in 1877.)
EDSRC:Proceedings of the Tokyo Mathematico-Physical Society. 2nd series = Tokyô Sûgaku-Buturigakkwai kizi. Dai 2 ki, 1907-1908: t.p. (Tôkyô Sûgaku-Buturigakkwai (The Tokyo Mathematico-Physical Society))によってSAFフィールドを追加