Columbia subject headings:
Critics--United States--Biography.
Ripley, George, 1802-1880.
Social reformers--United States--Biography.
Harvard subject headings:
Critics--United States--Biography
Ripley, George, 1802-1880--Criticism and interpretation.
Ripley, George, 1802-1880.
Social reformers--United States--Biography
Princeton subject headings:
Ripley, George, 1802-1880--Criticism and interpretation.