Columbia subject headings:
Preston, Margaret, 1875-1963--Catalogues raisonnés.
Preston, Margaret, 1875-1963--Exhibitions.
Harvard subject headings:
Preston, Margaret, 1875-1963--Catalogues raisonnés.
Preston, Margaret, 1875-1963--Exhibitions.
Princeton subject headings:
Catalogues raisonnés.
Preston, Margaret, 1875-1963--Catalogues raisonnés.
Preston, Margaret, 1875-1963--Exhibitions.