Winternitz, M. C. (Milton C.). “Fig. 11: Lung of Dog Dying in Acute Stage after Gassing with Chlorine. Fig. 12: Focal Necrosis in Lung of Dog Dying 6 Hours after Gassing.” Collected Studies on the Pathology of War Gas Poisoning. New Haven, Connecticut: Yale University Press, 1920. https://digital.sciencehistory.org/works/5d86p042m.