Vacuum Extraction Readings
- 1849 - SIMPSON - The Obstetric Air Tractor
- 1855 - SIMPSON - The Air Tractor
- 1892 - SCHUELL - Atmospheric Tractor in OBS
- 1962 - AGUERO - Fetal Injury from Vacuum
- 1962 - GROSSBARD - Malmström Extractor
- 1962 - MISHELL - Force Vacuum v. Forceps
- 1962 - SOLOMONS - Vacuum at Cesarean
- 1963 - CHALMERS - Simpson and the Air Tractor
- 1963 - DeVILLIERS - Vacuum Extraction
- 2009 - BASKETT - History of Vacuum