Columbia subject headings:
Artistic collaboration--Germany--Catalogs.
Denninghoff, Brigitte, 1923-2011--Catalogs.
Matschinsky, Martin, 1921---Catalogs.
Harvard subject headings:
Artistic collaboration--Germany--Catalogs.
Denninghoff, Brigitte, 1923---Catalogues raisonnés.
Denninghoff, Brigitte, 1923-2011--Catalogs.
Matschinsky, Martin, 1921---Catalogs.
Matschinsky, Martin, 1921---Catalogues raisonnés.
Princeton subject headings:
Artistic collaboration--Germany--Catalogs.
Catalogs.
Denninghoff, Brigitte, 1923-2011--Catalogs.
Matschinsky, Martin, 1921---Catalogs.