Harvard University Computational Laboratory, Symposium on Large Scale Digital Calculating Machinery, (includes descriptive material distributed by the Moore School at the 1947 EDVAC display and memorandum for H.J. Volk “Sequence Controlled Calculators for the Prudential”, 1947 - 1946), 2015-II.-B., Box: 9, Folder: 38. Sperry Rand Corporation, Engineering Research Associates (ERA) Division records, 2015. Manuscripts and Archives. https://findingaids.hagley.org/repositories/3/archival_objects/170209 Accessed January 11, 2025.