Columbia subject headings:
Adams, Henry, 1838-1918.
Cameron, Elizabeth, 1857-1944.
Historians--United States--Biography.
United States--Biography.
Harvard subject headings:
Adams, Henry, 1838-1918.
Cameron, Elizabeth, 1857-1944.
Historians--United States--Biography
United States--Biography.
Princeton subject headings:
Adams, Henry, 1838-1918.
Cameron, Elizabeth, 1857-1944.
Historians--United States--Biography.
United States--Biography.