Receipt for cemetery stones for Agnes, Richard & Elizabeth Letterman at Oakgrove Cemetery, Bridgeport, Container: Box 2 - Nickless Family, Folder: 5 - Letterman & Stanynought Families. Families, RG-FAMILIES. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/27291 Accessed December 06, 2025.