Letter to Dr. Richard Mudd from Althea Calvert, Supervisor of Nurses and a copy of the Financial Report for the Retirement Dinner of Dr. V.K. Volk, 1969-09-26, Box: 1 - Volk, Vladimir Konstantin Dr., Folder: 3 - Correspondence. Public Health and Hospitals, RG-PUBLIC-HEALTH. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/25982 Accessed December 06, 2025.