Digest of Changes, Named in	 Supplement No. 31, To Official Express Classification No. 33, I.C.C. No. 4500, Traffic Department, June 28, 1949.
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 7: Rates, Rules, and Regulations
unitdate: label: Date
content: August 10, 1949
container: label: Container
content: Box 8, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Text