http://hdl.handle.net/1721.3/192395 Thu, 09 Apr 2026 23:19:44 GMT 2026-04-09T23:19:44Z 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. Fri, 01 Jan 1960 00:00:00 GMT http://hdl.handle.net/1721.3/192396 1960-01-01T00:00:00Z