Columbia subject headings:
Japan--Politics and government--1912-1945.
Nagai, Ryūtarō, 1881-1944.
Harvard subject headings:
Japan--Politics and government--1912-1945.
Nagai, Ryūtarō, 1881-1944.
Princeton subject headings:
Japan--Politics and government--1912-1945.
Nagai, Ryūtarō, 1881-1944.