A collation of the three editions of Georg Wolfgang Knorr's conchonical work "Vergnügen" (1757-1775)

In this paper the German, French and Dutch editions of Knorr’s conchological work Vergnugen der Augen und des Gemuths are collated. The plates of the three editions are also compared. Brief biographical data is given, of the artists, engravers and collectors named on the plates. The French and Dutch publications are not only translated re-editions, but emended, complementary editions of the German work. Many figures of the plates are iconotypes.