Columbia subject headings:
Henry, O., 1862-1910.
Harvard subject headings:
Authors, American--19th century--Biography
Fugitives from justice--Honduras--Biography.
Henry, O., 1862-1910--Friends and associates.
Henry, O., 1862-1910.
Jennings, Al, 1863-1961.
Outlaws--United States--Biography.
Prisoners--Ohio--Biography.
Princeton subject headings:
Henry, O., 1862-1910.