Цит. в: Robert Marc Friedman, «Constituting the Polar Front, 1919–1920,» Isis 73, no. 3 (September 1982): 355.

Roger Turner, «Teaching the Weather Cadet Generation: Aviation, Pedagogy, and Aspirations to a Universal Meteorology in America, 1920–1950,» in Intimate Universality: Local and Global Themes in the History of Weather and Climate, ed. James R. Fleming, Vladimir Jankovic, and Deborah R. Coen (Sagamore Beach, MA: Science History Publications, 2006), 141–173.