Columbia subject headings:
Arkansas. Governor (1868-1871 : Clayton)--Biography.
Clayton, Powell, 1833-1914.
Harvard subject headings:
Ambassadors--United States--Biography
Clayton, Powell, 1833-1914
Governors--Arkansas--Biography
Princeton subject headings:
Arkansas. Governor (1868-1871 : Clayton)--Biography.
Clayton, Powell, 1833-1914.