A Fortune Given Away
- Dr. Babcock refused to patent his test for butterfat. Illustrated with historical photographs, this section of "It Happened Here" tells the story of the Babcock test, and describes the professor's personality.
- http://www.library.wisc.edu/etext/WIReader/WER0659-1.html

Stephen Moulton Babcock
- Biographical profile of the biochemist for whom the Babcock test is named.
- http://www.whonamedit.com/doctor.cfm/366.html

Dr. Stephen Babcock and the Original Butterfat Tester
- Photograph.
- http://www.library.upenn.edu/etext/smith/b/babcock1.html

Babcock, Stephen Moulton
- Short biographical article on the American chemist who devised a test for butterfat content.
- http://www.bartleby.com/65/ba/Babcock.html