April 20
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 19: Public Relations Department Records / 19.14: Western Union House Organs / 19.14.10: Key & Sounder
unitdate: label: Date
content: 1956
container: label: Container
content: Box 647, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials