Columbia subject headings:
Merrill, Hiram Campbell, 1866-
Wood-engravers--Biography.
Wood-engraving, American--19th century.
Harvard subject headings:
Merrill, Hiram Campbell, 1866-
Wood-engravers.
Princeton subject headings:
Merrill, Hiram Campbell, 1866-
Wood-engravers--Biography.
Wood-engraving--United States--19th century.