Societies/Organizations—American Documentation Institute
name: label: Collection Collector
content: Seidell, Atherton, 1878-1961
setName: label: See more items in
content: Atherton Seidell Papers
label: See more items in
content: Atherton Seidell Papers / Series 5: Microfilming, History
unitdate: label: Date
content: 1950-1960
container: label: Container
content: Box 5, Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials