Columbia subject headings:
Adams, Henry, 1838-1918.
Authors, American--19th century--Biography.
Harvard subject headings:
Adams, Henry, 1838-1918.
Historians--United States--Biography
United States--Civilization--1865-1918.
Princeton subject headings:
Adams, Henry, 1838-1918.
Historians--United States--Biography.
United States--Civilization--1865-1918.