ماخذ: Lars Nilson. Lars Nilson. A System Of Technical Studies In Pedal Playing For Organ. Sheet Music. Organ. ORG. --.
ترجمه: لارس نیلسون. نت موسیقی. عضو. لارس نیلسون. A classic tutor from 1904 still recommended by teachers and ideal for honing pedal technique.