Walton, Marcella. “The Guaranteed Pure Milk Co., Limited Cook Book, 1920’s.” CuiZine : The Journal of Canadian Food Cultures / Revue des cultures culinaires au Canada Vol. 5, no. 2 (2014): [n.p.]. https://www.erudit.org/en/journals/cuizine/2014-v5-n2-cuizine01533/1026775ar/.