Phi Delta Kappa. Minnesota State University, Mankato Collection, 1986-2003. SMHC Collection 0223, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Phi Delta Kappa. Minnesota State University, Mankato Collection, 1986-2003. SMHC Collection 0223, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/212 Accessed October 18, 2024.