Columbia subject headings:
Adams, Henry, 1838-1918--Philosophy.
Adams, Henry, 1838-1918--Writing skill.
Harvard subject headings:
Adams, Henry, 1838-1918--Literary art.
Adams, Henry, 1838-1918--Philosophy.
Princeton subject headings:
Adams, Henry, 1838-1918--Literary art.
Adams, Henry, 1838-1918--Philosophy.