Columbia subject headings:
Schönleber, Hans Otto, 1889-1930--Catalogues raisonnés.
Schönleber, Hans Otto, 1889-1930--Exhibitions.
Harvard subject headings:
Schönleber, Hans Otto, 1889-1930--Catalogues raisonnés.
Schönleber, Hans Otto, 1889-1930--Exhibitions.
Princeton subject headings:
Schönleber, Hans Otto, 1889-1930--Catalogues raisonneś.
Schönleber, Hans Otto, 1889-1930--Exhibitions.