The Internet Archive has a preservation copy of this work in our general collections.
Dan McKenzie. "Concerning some Headaches and Eye Disorders of Nasal Origin. By Sluder Greenfield, M.D. With 115 Illustrations. London: Henry Kimpton, 1918. Pp. 272. Price 35s. net." The Journal of Laryngology Rhinology and Otology 35.02 (1920) 62-63