Files W.F.F. Archive Panel, Committee, and Board Records Correspondence with Western Union Telegraph Company (1949), Technical Estimate of A Secure Integrated Communication System, Research and Development Board Committee on Electronics Panel on Communication Subpanel on Systems Meeting Minutes, 1949
Meeting of the Subpanel on Systems
Minutes-First Meeting Subpanel on Systems-23 February 1949; Research and Development Board
Subpanel on Systems, Panel on Communications-Next Meeting
Subpanel on Systems-Minutes of the Second Meeting-23 March 1949; Technical Estimates for Systems Projects
Technical Estimate of A Secure Integrated Communication System