Columbia subject headings:
De Caix, Robert--Correspondence.
De Caix, Robert.
Diplomats--France--Biography.
Diplomats--Middle East--Biography.
Mandates--Lebanon.
Mandates--Syria.
World War, 1914-1918--Territorial questions--Lebanon.
World War, 1914-1918--Territorial questions--Syria.
Harvard subject headings:
De Caix, Robert--Correspondance.
Diplomats--France--Correspondance.
France--Foreign relations--Middle East.
Middle East--Foreign relations--France.
Middle East--Politics and government--1914-1945.
Princeton subject headings: