Columbia subject headings:
Kolscher, Bernhard, 1834-1868.
Kunstbibliothek (Berlin, Germany)--Catalogs.
Harvard subject headings:
Kolscher, Bernhard, 1834-1868--Catalogs.
Kolscher, Bernhard, 1834-1868.
Princeton subject headings:
Architectural drawing--Germany--Berlin--Catalogs.
Kolscher, Bernhard, 1834-1868.
Kunstbibliothek (Berlin, Germany)--Catalogs.