1. Criminal abortion, its extent and prevention: read before the Philadelphia County Medical Society, February 9, 1870 Author(s): Nebinger, Andrew, 1819-1886 Publication: Philadelphia : Collins, 1870 Subject(s): Abortion, Criminal
2. Abortion and its effects Author(s): Johnson, Joseph Taber, 1846-1921, author Publication: Baltimore : Journal Publishing Company, 1890 Subject(s): Abortion, CriminalPopulation Dynamics