Code book #42, undated (R. H. Overbaugh)
name: label: Collection Creator
content: United Telegraph Workers.
label: Collection Creator
content: Western Union Telegraph Company
setName: label: See more items in
content: Western Union Telegraph Company Records
label: See more items in
content: Western Union Telegraph Company Records / Series 13: Operating Records / 13.4: Operator Code Books/Cipher Books
container: label: Container
content: Box 481, Folder 7
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials