- Labor Among Primitive Peoples, Showing the Development of the Obstetric Science of Today, from the Natural and Instinctive Customs of All Races, Civilized and Savage, Past and Present
- Die Geburt Bei Den Urv�lkern
- Labor among Primitive Peoples: Third Edition
- The Cause of Race Decline Is Not Education
- The Mean and Extreme Daily Temperatures in St. Louis for Forty-seven Years, as Calculated From Daily Observations






















