Columbia subject headings:
Press and politics--United States--History--20th century.
Progressivism (United States politics)
United States--Politics and government--1901-1909.
United States--Politics and government--1909-1913.
United States--Politics and government--1913-1921.
Harvard subject headings:
Press and politics--United States--History--20th century
Progressivism (United States politics)
United States--Politics and government--1901-1909.
United States--Politics and government--1909-1913.
United States--Politics and government--1913-1921.
Princeton subject headings:
Press and politics--United States--History--20th century.
Progressivism (United States politics)
United States--Politics and government--1901-1909.
United States--Politics and government--1909-1913.
United States--Politics and government--1913-1921.