Southworth, Mason, IBM, to R.R.W., re request by Lewis Branscomb to send copies of Sigma Xi centennial lecture at Cornell 4/11 and typed version of speaking notes for APS International Delegates Banquet 4/28, also fact sheet on BITNET and associated networks [tls], 6/25/1986, Box: 3, Folder: 120. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/224895 Accessed April 11, 2026.