Circular of F. Schifferle, 1224 South 5th Street, titled “Paris Frying Pan! A New Invention," 1880-1910, D00092. Missouri Historical Society Library and Research Center.

Circular of F. Schifferle, 1224 South 5th Street, titled “Paris Frying Pan! A New Invention," 1880-1910, D00092. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/2674 Accessed January 15, 2025.