Der er beskrivelser af Whitehursts and Montgolfiers pumper i: James Ferguson and David Brewster, Lectures on Select Subjects, 3rd ed. (Edinburgh, Scotland: Stirling & Slade, etc., 1823), vol. 2, pages 287-292; plates, s. 421.
Frederick Philip Selwyn, pdfpiw.uspto.govArkiveret 3. februar 2017 hos Wayback Machine, "Fluid pressure amplifier", U.S. Patent no. 6,206,041 (filed: 2 April 1997; issued: 27 March 2001).
Frederick Philip Selwyn, pdfpiw.uspto.govArkiveret 3. februar 2017 hos Wayback Machine, "Fluid pressure amplifier", U.S. Patent no. 6,206,041 (filed: 2 April 1997; issued: 27 March 2001).
"Papa Pump". Papa Pump. Arkiveret fra originalen 20. maj 2021. Hentet 14. december 2020.