Mori, K. & Takahashi, M. & Takahashi, T. (2000)
A blue shark (Prionace glauca) scavenged dead floating giant squid (Architeuthis sp.) off Ogasawara Islands, southern Japan [in Japanese], Report of Japanese Society for Elasmobranch Studies, 36, 13–15

Yano, K. & Sato, F. & Takahashi, T. (1999)
Observations of mating behavior of the manta ray, Manta birostris, at the Ogasawara Islands, Japa. Ichthyological Research, 46(3), 289–296
DOI: 10.1007/BF02678515

Baumann, W.J. & Takahashi, T. & Mangold, H.K. & Schmid, H.H.O. (1970)
Alkoxylipids VI. Molecular structures of the neutral alkoxylipids of ratfish liver. Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism, 202(3), 468–476
DOI: 10.1016/0005-2760(70)90117-7

Takahashi, T. & Yokoyama, W. (1954)
Physico-chemical studies on the skin and leather of marine animals-X. On the protein in shark skin. Bulletin of the Japanese Society of Scientific Fisheries, 20(5), 411–420

Takahashi, T. & Shiokawa, A. (1954)
Physico-chemical studies on the skin and leather of marine animals -DC. Swelling of shark skin (1). Bulletin of the Japanese Society of Scientific Fisheries, 19(12), 1203–1218

Takahashi, T. & Shiokawa, A. (1953)
Physico-chemical studies on the skin and leather of marine animals IV. On the water in shark skin. Bulletin of the Japanese Society of Scientific Fisheries, 18(8), 333–340

Takahashi, T. & Kikuchi, T. (1948)
The Chemical Constituents in the Bone of Shark. Nippon Suisan Gakkaishi, 14(2), 79–81