1. The greatest problem of the race: - its own conservation Author(s): Jones, John W. (John William), 1860-1930 author Publication: Mansfield, Ohio : Ohio State Reformatory, [1917] Subject(s): Disabled ChildrenChild, InstitutionalizedEugenicsSocial ProblemsOhio
2. Race hygiene and heredity Author(s): Siemens, Hermann Werner, 1891-1969, author Publication: New York : Appleton, 1924 Subject(s): HeredityEugenics
