http://hdl.handle.net/1721.3/192395 2026-04-09T23:21:02Z http://hdl.handle.net/1721.3/192396 Ithiel de Sola Pool papers punch card data, 1956-1960 Pool, Ithiel de Sola, 1917-1984 For more information about this item, visit https://archivesspace.mit.edu/repositories/2/archival_objects/226054 and https://archivesspace.mit.edu/repositories/2/archival_objects/226055; The files in this item are a grouping of multiple files from the collection, made available as a compressed ZIP file. For instructions on opening ZIP files, see: https://www.wikihow.com/Open-a-Zip-File. A file list of the contents of this ZIP file is also available under the "alternate file" heading if you would like to see what is contained within before downloading. 1960-01-01T00:00:00Z