Columbia subject headings:
American Federation of Labor.
Gompers, Samuel, 1850-1924.
Labor unions and international relations--United States.
United States--Foreign relations--1913-1921.
World War, 1914-1918--United States.
Harvard subject headings:
American Federation of Labor
Gompers, Samuel, 1850-1924.
Labor unions and international relations--United States.
United States--Foreign relations--1913-1921.
World War, 1914-1918--United States
Princeton subject headings:
American Federation of Labor.
Gompers, Samuel, 1850-1924.
Labor unions and international relations--United States.
United States--Foreign relations--1913-1921.
World War, 1914-1918--United States.