Coddington, pp. 64–65; Sears, pp. 74; Clark, pp. 22; Loosbrock, pp. 274; Wittenberg and Petruzzi, pp. xviii.
Coddington, pp. 64-65; Sears, pp. 74; Clark, pp. 22; Loosbrock, pp. 274; Wittenberg and Petruzzi, pp. xviii.