United States Testing Co., Inc.: Report of Certification, 14 March 1939
name: label: Collection Creator
content: Simmons Company
setName: label: See more items in
content: The Simmons Company Records
label: See more items in
content: The Simmons Company Records / Series 1: Corporate Materials / 1.5: Business Records / 1.5.2: Presentations, Studies, and Reports, 1936, 1958, 1960, 1970
container: label: Container
content: Box 23, Folder 2
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials