Sigfried Giedion, “Man in Equipoise,” in Mechanization Takes Command: A Contribution to Anonymous History (New York: Oxford University Press, 1948): 714-723; Beatriz Colomina and Mark Wigley, “The Frictionless Silhouette” and “Designing the Body,” in Are We Human? Notes on an Archaeology of Design. Zurich: Lars Müller Publishers, 2016): 147-177.