Columbia subject headings:
Progressivism (United States politics)
United States--Biography.
United States--History--1865-1921--Biography.
United States--Politics and government--1865-1933.
Harvard subject headings:
Progressivism (United States politics)
United States--Biography.
United States--History--1865-1921--Biography.
United States--Politics and government--1865-1933.
Princeton subject headings:
Progressivism (United States politics)
United States--Biography.
United States--History--1865-1921--Biography.
United States--Politics and government--1865-1933.