Columbia subject headings:
Art--Conservation and restoration--Germany--Heidelberg--History--19th century.
Koester, Christian Philipp, 1784-1851--Catalogues raisonnés.
Harvard subject headings:
Koester, Christian Philipp, 1784-1851--Catalogues raisonnés.
Koester, Christian Philipp, 1784-1851.
Princeton subject headings:
Art--Conservation and restoration--Germany--Heidelberg--History--19th century.
Catalogues raisonnés.
Koester, Christian Philipp, 1784-1851--Catalogues raisonnés.