Letter from Edgar Phillips apologizing to Dr. V.K. Volk because he won’t be able to accept an invitation, 1961-11-29, 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/25991 Accessed December 06, 2025.