Item, Folder number and/or title, Box number, Delaval Papers, MSS 310, Special Collections, MSU Libraries, Michigan State University, East Lansing, MI.
Item, Folder number and/or title, Box number, Delaval Papers, MSS 310, Special Collections, MSU Libraries, Michigan State University, East Lansing, MI. https://findingaids.lib.msu.edu/repositories/4/resources/5715 Accessed December 27, 2025.
