Columbia subject headings:
Art--Forgeries.
Potthast, Edward Henry, 1880-1941.
Potthast, Edward, 1857-1927.
Harvard subject headings:
Potthast, Edward, 1857-1927.
Princeton subject headings:
Art--Forgeries.
Potthast, Edward Henry, 1880-1941--Biography.
Potthast, Edward, 1857-1927--Biography.