NHS Articles of Incorporation, By-Laws, and meeting notes, 1922; Canadian Horticultural Council - Ottawa Circular Letters no. 4 & 5, 16 November 1922, 17 March 1923, 1922–1923, https://huntbot.org/hibdarc/collections/260/260_Traub_Bx2FF3_r.pdf. Hunt Institute for Botanical Documentation Archives. https://as.huntbot.org/repositories/2/digital_objects/4949 Accessed June 19, 2026.