Searchlights on Health B. G. Jefferis

Benjamin Grant Jefferis (1851-? ) was the coauthor of: Searchlights on Health: Light on Dark Corners (1895) and Searchlights on Health: The Science of Eugenics (1919) with J. L. Nichols, and The Household Guide with J. L. Nichols and Mrs. J. L. Nichols. Это и многое другое вы найдете в книге Searchlights on Health (B. G. Jefferis)