This image is a derivative work of the following images: File:Quantz_by_Gerhard.jpg licensed with PD-Art, PD-old-100 2010-06-01T17:47:21Z Ecummenic 329x367
Johann Friedrich Gerhard: Portrait of Johann Joachim Quantz ( ) Artist artist QS:P170,Q12320009 Title Portrait of Johann Joachim Quantz Description English: