Trenn, Thaddeus J
name: label: Collection Author
content: Society for the History of Technology
label: Collection Author
content: Kranzberg, Melvin, Dr., 1917-1995
setName: label: See more items in
content: Society for the History of Technology Records
label: See more items in
content: Society for the History of Technology Records / Subgroup II: Technology and Culture Records / Series 2: Correspondence
unitdate: label: Date
content: 1975- 1976
container: label: Container
content: Box 21 (Subgroup II), Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials