Đọc thêm Hormel

  • Knowlton, Richard L.; Beyma, Ron (2010). Points of Difference: Transforming Hormel (ấn bản 1). Garden City, NY: Morgan James. ISBN 9781614481126. OCLC 826657964.
  • Cooper, Jake (1988). Lessons of the P-9 Strike. San Francisco, CA: Socialist Action. OCLC 40950771.
  • Genoways, Ted (2014). The Chain: Farm, Factory, and the Fate of our Food. ISBN 9780062288752. OCLC 926727755.
  • White, John H. (1986). The Great Yellow Fleet: A History of American Railroad Refrigerator Cars. San Marino, Calif.: Golden West Books. ISBN 9780870950919. OCLC 907747754.