Columbia subject headings:
Read, Opie, 1852-1939.
Harvard subject headings:
Authors, American--19th century--Biography
Authors, American--20th century--Biography
Humorists, American--19th century--Biography.
Humorists, American--20th century--Biography.
Read, Opie, 1852-1939.
Princeton subject headings:
Read, Opie, 1852-1939.