History of Technical Progress, Western Union, Vol. IV
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 1: Historical and Background Information / 1.1: History of the Western Union Telegraph Company
unitdate: label: Date
content: 1946-1950
container: label: Container
content: Box 3, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials