American Concrete Institute
name: label: Collection Collector
content: Hoffman, John Nathan, 1923-1982
setName: label: See more items in
content: Archives Center Poster Stamp Collection
label: See more items in
content: Archives Center Poster Stamp Collection / Series 1: Poster Stamps
container: label: Container
content: Box 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials