CATCH letterhead, address labels, and copies of handwritten donation letters
name: label: Collection Creator
content: National Museum of American History (U.S.). Division of Science, Medicine, and Society
setName: label: See more items in
content: Superconducting Super Collider Collection
label: See more items in
content: Superconducting Super Collider Collection / Series 5: New York / 5.2: Mary Lou and Jim Alexander
unitdate: label: Date
content: undated
container: label: Container
content: Box 2, Folder 19
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials