(原始内容存档于2022-01-07). What's the scoop on the origin of the Culver’s franchise?. WisconsinPublicRadio. December 10, 2021 [2022-05-08]. (原始内容存档于2021-12-25). The Untold
William D. Dobson. June 1996 The BST Case (页面存档备份,存于互联网档案馆). University of Wisconsin-Madison Agricultural and Applied Economics Staff Paper Series No.397 Report
Brown, Gretchen. UW-Madison professor part of formula for 'Gifted'. WisconsinPublicRadio. April 27, 2017 [September 2, 2020]. (原始内容存档于September 2, 2020)