Collection of United Nations Postage Stamps
name: label: Collection Creator
content: Gropper, William, 1897-1977
setName: label: See more items in
content: William Gropper papers
label: See more items in
content: William Gropper papers / Series 6: Printed Material
unitdate: label: Date
content: 1964-1971
container: label: Container
content: Box 2, Folder 24
dataSource: label: Archival Repository
content: Archives of American Art
objectType: label: Type
content: Archival materials