Trademarks by Roy Ehrhardt Copying Version, pages 65-128
setName: label: See more items in
content: Jon and Jennifer Hanson Watch and Clock Collection
label: See more items in
content: Jon and Jennifer Hanson Watch and Clock Collection / Series 7: 2017 Addenda / 7.3: Roy Ehrhardt Works
unitdate: label: Date
content: 1976
container: label: Container
content: Box 24, Folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials