ماخذ: Knowles. compiled by J. B. Wylde. The text used was 'Since the Son hath made me free'. G Knowles. A cappella. 77. 77. 77.
ترجمه: , a collection of G. Knowles' music published after his death under the direction of his son W. Knowles. G نولز. cappella. زبان.