1. Characteristic labor scenes among the yellow, black and red races Author(s): Engelmann, George J. (George Julius), 1847-1903 Publication: [St. Louis? : s.n., 1882?] Subject(s): Labor, Obstetric -- ethnologyAsian Continental Ancestry GroupAfrican Continental Ancestry Group
2. Do parto e suas consequencias na especie negra: these inaugural Author(s): Ferreira, Justo Jansen. Publication: Rio de Janeiro : Typ., Lithographia e Encadernação a vapor Laemmert & C., 1887 Subject(s): ParturitionAfrican Continental Ancestry GroupBrazil