Columbia subject headings:
Executive power--United States.
United States--Politics and government--20th century.
Harvard subject headings:
Executive power--United States
Johnson, Lyndon B. (Lyndon Baines), 1908-1973.
Roosevelt, Franklin D. (Franklin Delano), 1882-1945
Roosevelt, Theodore, 1858-1919.
United States--Politics and government--20th century.
Wilson, Woodrow, 1856-1924.
Princeton subject headings:
Executive power--United States.
United States--Politics and government--20th century.