Columbia subject headings:
Biography--20th century--Portraits--Exhibitions.
John, Augustus, 1878-1961--Exhibitions.
National Museum of Wales--Exhibitions.
Harvard subject headings:
Biography--20th century--Portraits--Exhibitions.
John, Augustus, 1878-1961--Exhibitions.
National Museum of Wales--Exhibitions.
Princeton subject headings:
John, Augustus, 1878-1961--Exhibitions.
National Museum of Wales--Exhibitions.