Columbia subject headings:
Japan--Emigration and immigration--Handbooks, manuals, etc.
Korea--Description and travel--Handbooks, manuals, etc.
Korea--Economic conditions--20th century--Handbooks, manuals, etc.
Korea--Emigration and immigration--Handbooks, manuals, etc.
Korea--Social conditions--1910-1945--Handbooks, manuals, etc.
Harvard subject headings:
Japan--Relations--Korea.
Korea--Description and travel.
Korea--Economic conditions--20th century.
Korea--Relations--Japan.
Korea--Social conditions--20th century.
Princeton subject headings: