Columbia subject headings:
Diplomats--France--Correspondence.
France--Foreign relations--Poland.
Poland--Foreign relations--1918-1945.
Poland--Foreign relations--France.
Harvard subject headings:
Diplomatic and consular service, Polish--History.
France--Foreign relations--Poland--History.
Poland--Foreign relations--1918-1945
Poland--Foreign relations--France--History.
Princeton subject headings:
Diplomats--France--Correspondence.
France--Foreign relations--Poland.
Poland--Foreign relations--1918-1945.
Poland--Foreign relations--France.