Arndt، Ruth (Spence)؛ Spence، F. S. (Francis Stephens) (1919). Prohibition in Canada; a memorial to Francis Stephens Spence. Robarts - University of Toronto. Toronto Ontario Branch of the Dominion Alliance. ص. 81. مؤرشف من الأصل في 2011-12-06. اطلع عليه بتاريخ 2018-02-21.
Arndt، Ruth (Spence)؛ Spence، F. S. (Francis Stephens) (1919). Prohibition in Canada; a memorial to Francis Stephens Spence. Robarts - University of Toronto. Toronto Ontario Branch of the Dominion Alliance. ص. 81. مؤرشف من الأصل في 2011-12-06. اطلع عليه بتاريخ 2018-02-21.