1. Insanity in the colored race Author(s): Roberts, J. D. (James D.), -1908 author Publication: [North Carolina?] : [publisher not identified], [1883?] Subject(s): Mental Disorders -- epidemiologyBlack or African American -- psychologySocial ConditionsUnited States
2. Influences modifying the occurrence of certain nervous affections in the United States Author(s): Hinsdale, Guy, 1858-1948 author Publication: [Philadelphia?] : [publisher not identified], [1892] Subject(s): Nervous System Diseases -- epidemiologyMental Disorders -- epidemiologySciaticaPolyuriaUnited States