Columbia subject headings:
Harvard subject headings:
American Field Service
American Field Service--Archives.
World War, 1914-1918--Medical care--France--Sources--Bibliography--Catalogs.
World War, 1914-1918--Medical care--United States--Sources--Bibliography--Catalogs.
World War, 1914-1918--United States--Medical care--Sources--Bibliography--Catalogs.
Princeton subject headings:
American Field Service--Archives.
World War, 1914-1918--Medical care--France--Sources--Bibliography--Catalogs.
World War, 1914-1918--Medical care--United States--Sources--Bibliography--Catalogs.