Notis

Oriģināls

Chadwick, George Whitefield. Harmony. A Course of Study. Chadwick, George Whitefield. Music theory. First Edition. 1897. 55th Edition. 1922.

Tulkojums

Chadwick, George Whitefield. Harmonija. A Course of Study. Chadwick, George Whitefield. Music theory. First Edition. 1897. 55th Edition. 1922.