MTU-135, Frederick W. Sperr Correspondence, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MTU-135, Frederick W. Sperr Correspondence, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/751 Accessed November 01, 2024.
