Black Notebook with floor plans for New York City facilities—a typewritten note by Roger F.R. Karl, P.E. has a summary of the contents and places the date of the material at about 1940
name: label: Collection Author
content: Railway Express Agency.
label: Collection Donor
content: Karl, Roger F. R.
setName: label: See more items in
content: Railway Express Agency Records
label: See more items in
content: Railway Express Agency Records / Series 3: Engineering Drawings and Publications
unitdate: label: Date
content: about 1940
container: label: Container
content: Box 2, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Text