Columbia subject headings:
Höch, Hannah, 1889-1978--Exhibitions.
Kollwitz, Käthe, 1867-1945--Exhibitions.
Mammen, Jeanne--Exhibitions.
Harvard subject headings:
Höch, Hannah, 1889-1978--Exhibitions.
Kollwitz, Käthe, 1867-1945--Exhibitions.
Mammen, Jeanne--Exhibitions.
Princeton subject headings:
Art, German--20th century--Berlin--Exhibitions.
Art--Private collections--Iowa--Exhibitions.
Höch, Hannah, 1889---Exhibitions.
Kollwitz, Käthe, 1867-1945--Exhibitions.
Mammen, Jeanne--Exhibitions.
Noun, Louise R.--Art collections--Exhibitions.
Women artists--Exhibitions.