Columbia subject headings:
Harvard subject headings:
Butler, Nicholas Murray, 1862-1947--Correspondence.
Diplomats--Correspondence
Estournelles de Constant, Paul-Henri-Benjamin Balluet, baron d', 1852-1924--Correspondence.
France--Politics and government--1914-1940
Nobel Prize winners--Correspondence.
Peace-building--History--20th century.
United States--Politics and government--1913-1921
World War, 1914-1918--France
World War, 1914-1918--Peace
World War, 1914-1918--United States
Princeton subject headings:
Butler, Nicholas Murray, 1862-1947--Correspondence.
Diplomats--Correspondence.
Estournelles de Constant, Paul-Henri-Benjamin Balluet, baron d', 1852-1924--Correspondence.
France--Politics and government--1914-1940.
Nobel Prize winners--Correspondence.
Peace-building--History--20th century.
United States--Politics and government--1913-1921.
World War, 1914-1918--France.
World War, 1914-1918--Peace.
World War, 1914-1918--United States.