https://app.knowbase.one/vault/rfc/docid/4179
RFC0381: Three aids to improved network operation
Network Working Group J. McQuillan Request for Comments: 381 D. Walden NIC: 11151 Bolt Beranek and Newman Inc. 26 July 1972 ...
https://app.knowbase.one/vault/rfc/docid/4458
RFC0406: Scheduled IMP Software Releases
Network Working Group John M. McQuillan Request for Comments # 406 Bolt Beranek and Newman NIC # 12111 10 October 1972 Categories B.1 Updates RFC # 381 Scheduled IMP Software Releases ...