Caterpillar Tractor Co.
name: label: Collection Creator
content: Ayer (N W) Incorporated.
setName: label: See more items in
content: N W Ayer Advertising Agency Records
label: See more items in
content: N W Ayer Advertising Agency Records / Series 22: Addendum of Print Advertisements / 22.1: Print Advertisements
unitdate: label: Date
content: 1940s, undated (1970s?)
container: label: Container
content: Box 20 (Series 22), Folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: tractors