O1322 CI+ 20201019080000.0 Aubert, L. GETTY:500354283 Hummel, Carl AUTH89 Mozart, Wolfgang Amadeusz AUTH718 Richomme, Théodore GETTY:500053452 „Collection complette des Oeuvres de Piano” Paris (7008038) : second half 19 century graphite (mineral) GETTY:300011098 ink GETTY:300015012 leather GETTY:300011845 marbled paper GETTY:300265095 paper (fiber product) GETTY:300014109 printing ink GETTY:300187371 25 cm x 34 cm engraving (printing process) GETTY:300053225 handwriting GETTY:300252927 PL-Wnifc Muzeum Fryderyka Chopina Narodowy Instytut Fryderyka Chopina MC/191