Izvornik: Czerny-Schaum, Book 1. His many collections of exercises and studies range from the easy and progressive to the virtuoso. Beginning.
Prijevod: Carl Czerny. Klavir Metoda note. Piano Solo note. Početak. Czerny-Schaum, knjiga 1 sastoji Carl Czernyja. 1791-1857. Uređeni John W. Schaum.