Columbia subject headings:
Blind--Services for--Japan--History.
Kumagai, Tetsutarō, 1883-1979.
Nakamura, Kyōtarō, 1880-1964.
Yoshimoto, Tadasu, 1878-1973.
Harvard subject headings:
Blind--Services for--Japan--History.
Kumagai, Tetsutarō, 1883-1979.
Nakamura, Kyōtarō, 1880-1964.
Yoshimoto, Tadasu, 1878-1973.
Princeton subject headings:
Blind--Services for--Japan--History.
Kumagai, Tetsutarō, 1883-1979.
Nakamura, Kyōtarō, 1880-1964.
Yoshimoto, Tadasu, 1878-1973.