Columbia subject headings:
Micronesia--Research--Japan--History--20th century.
Parao Nettai Seibutsu Kenkyūjo--History.
Scientists--Micronesia--Biography.
World War, 1939-1945--Japan.
Harvard subject headings:
Micronesia--Research--Japan--History--20th century.
Parao Nettai Seibutsu Kenkyūjo
Scientists--Micronesia--Biography.
Princeton subject headings:
Micronesia--Research--Japan--History--20th century.
Parao Nettai Seibutsu Kenkyūjo.
Scientists--Micronesia--Biography.