Columbia subject headings:
Japan--Foreign relations--20th century--In art.
Japan--History--20th century--In art.
Postcards--Private collections--United States.
Harvard subject headings:
Japan--Foreign relations--20th century--In art.
Japan--History--20th century--In art.
Postcards--Private collections--United States.
Princeton subject headings:
Japan--Foreign relations--20th century--In art.
Japan--History--20th century--In art.
Postcards--Private collections--United States.