Getting the proper shoe size with a Brannock Device from San Francisco Podiatrist - YouTube
How the Brannock Device revolutionized the shoe industry
Brannock Device - Wikipedia
Brannock Sizing: Why Don't All Shoes Fit True to Size - 100wears
Nike vs. Brannock: Shoe giant takes on Syracuse foot-measuring icon with new app - syracuse.com
Soft Walker Shoes - Here is the size chart for the Brannock device. Note at the bottom this may not print to scale, but you can use it to estimate size by