Columbia subject headings:
Kollwitz, Käthe, 1867-1945--Catalogs.
Käthe Kollwitz-Museum Berlin--Catalogs.
Harvard subject headings:
Käthe Kollwitz-Museum Berlin--Catalogs.
Kollwitz, Käthe, 1867-1945--Catalogs.
Princeton subject headings:
Catalogs.
Käthe Kollwitz-Museum Berlin--Catalogs.
Kollwitz, Käthe, 1867-1945--Catalogs.