Brockway W., Weinstock H., The opera, a history of its creation and performance, 1600-1941, N. Y., 1941 (ližapästand: The world of opera, N. Y., 1966).
Brockway W., Weinstock H. The opera, a history of its creation and performance, 1600—1941, N. Y., 1941 (дополнительное издание: The world of opera, N. Y., 1966).