| 398 | UCSB Online GraphicsJ.R. Pickens, E. Faeh | Unknown | September 1972 |
| 399 | SMFS Login and LogoutM. Krilanovich · obsoleted by RFC 431 | Unknown | September 1972 |
| 400 | Traffic Statistics (September 1972)A.M. McKenzie | Unknown | October 1972 |
| 401 | Conversion of NGP-0 Coordinates to Device Specific CoordinatesJ. Hansen | Unknown | October 1972 |
| 402 | ARPA Network Mailing ListsJ.B. North | Unknown | October 1972 |
| 403 | Desirability of a Network 1108 ServiceG. Hicks | Unknown | January 1973 |
| 404 | Host Address Changes Involving Rand and ISIA.M. McKenzie | Unknown | October 1972 |
| 405 | Correction to RFC 404A.M. McKenzie | Unknown | October 1972 |
| 406 | Scheduled IMP Software ReleasesJ.M. McQuillan | Unknown | October 1972 |
| 407 | Remote Job Entry ProtocolR.D. Bressler, R. Guida, A.M. McKenzie | Historic | October 1972 |
| 408 | NETBANKA.D. Owen, J. Postel | Unknown | October 1972 |
| 409 | Tenex interface to UCSB's Simple-Minded File SystemJ.E. White | Unknown | December 1972 |
| 410 | Removal of the 30-Second Delay When Hosts Come UpJ.M. McQuillan | Unknown | November 1972 |
| 411 | New MULTICS Network Software FeaturesM.A. Padlipsky | Unknown | November 1972 |
| 412 | User FTP DocumentationG. Hicks | Unknown | November 1972 |
| 413 | Traffic statistics (October 1972)A.M. McKenzie | Unknown | November 1972 |
| 414 | File Transfer Protocol (FTP) status and further commentsA.K. Bhushan | Unknown | December 1972 |
| 415 | Tenex bandwidthH. Murray | Unknown | November 1972 |
| 416 | ARC System Will Be Unavailable for Use During Thanksgiving WeekJ.C. Norton | Unknown | November 1972 |
| 417 | Link usage violationJ. Postel, C. Kline | Unknown | December 1972 |
| 418 | Server File Transfer Under TSS/360 At NASA-Ames Research CenterW. Hathaway | Unknown | November 1972 |
| 419 | To: Network liaisons and station agentsA. Vezza | Unknown | December 1972 |
| 420 | CCA ICCC weather demoH. Murray | Unknown | January 1973 |
| 421 | Software Consulting Service for Network UsersA.M. McKenzie | Unknown | November 1972 |
| 422 | Traffic statistics (November 1972)A.M. McKenzie | Unknown | December 1972 |
| 423 | UCLA Campus Computing Network Liaison Staff for ARPANETB. Noble | Unknown | December 1972 |
| 425 | "But my NCP costs $500 a day"R.D. Bressler | Unknown | December 1972 |
| 426 | Reconnection ProtocolR. Thomas | Unknown | January 1973 |
| 429 | Character Generator ProcessJ. Postel | Unknown | December 1972 |
| 430 | Comments on File Transfer ProtocolR.T. Braden | Unknown | February 1973 |
| 431 | Update on SMFS Login and LogoutM. Krilanovich | Unknown | December 1972 |
| 432 | Network logical mapN. Neigus | Unknown | December 1972 |
| 433 | Socket number listJ. Postel · obsoleted by RFC 503 | Unknown | December 1972 |
| 434 | IMP/TIP memory retrofit scheduleA.M. McKenzie · obsoleted by RFC 447 | Unknown | January 1973 |
| 435 | Telnet issuesB. Cosell, D.C. Walden | Unknown | January 1973 |
| 436 | Announcement of RJS at UCSBM. Krilanovich | Unknown | January 1973 |
| 437 | Data Reconfiguration Service at UCSBE. Faeh | Unknown | June 1973 |
| 438 | FTP server-server interactionR. Thomas, R. Clements | Unknown | January 1973 |
| 439 | PARRY encounters the DOCTORV. Cerf | Unknown | January 1973 |
| 440 | Scheduled network software maintenanceD.C. Walden | Unknown | January 1973 |
| 441 | Inter-Entity Communication - an experimentR.D. Bressler, R. Thomas | Unknown | January 1973 |
| 442 | Current flow-control scheme for IMPSYSV. Cerf | Unknown | January 1973 |
| 443 | Traffic statistics (December 1972)A.M. McKenzie | Unknown | January 1973 |
| 445 | IMP/TIP preventive maintenance scheduleA.M. McKenzie | Unknown | January 1973 |
| 446 | Proposal to consider a network program resource notebookL.P. Deutsch | Unknown | January 1973 |
| 447 | IMP/TIP memory retrofit scheduleA.M. McKenzie · obsoleted by RFC 476 | Unknown | January 1973 |
| 448 | Print files in FTPR.T. Braden | Unknown | February 1973 |
| 449 | Current flow-control scheme for IMPSYSD.C. Walden | Unknown | January 1973 |
| 450 | MULTICS sampling timeout changeM.A. Padlipsky | Unknown | February 1973 |
| 451 | Tentative proposal for a Unified User Level ProtocolM.A. Padlipsky | Unknown | February 1973 |
| 452 | TELNET Command at Host LLJ. Winett | Unknown | February 1973 |
| 453 | Meeting announcement to discuss a network mail systemM.D. Kudlick | Unknown | February 1973 |
| 454 | File Transfer Protocol - meeting announcement and a new proposed documentA.M. McKenzie | Unknown | February 1973 |
| 455 | Traffic statistics (January 1973)A.M. McKenzie | Unknown | February 1973 |
| 456 | Memorandum: Date change of mail meetingM.D. Kudlick | Unknown | February 1973 |
| 457 | TIPUGD.C. Walden | Unknown | February 1973 |
| 458 | Mail retrieval via FTPR.D. Bressler, R. Thomas | Unknown | February 1973 |
| 459 | Network questionnairesW. Kantrowitz | Unknown | February 1973 |
| 460 | NCP surveyC. Kline | Unknown | February 1973 |
| 461 | Telnet Protocol meeting announcementA.M. McKenzie | Unknown | February 1973 |
| 462 | Responding to user needsJ. Iseli, D. Crocker | Unknown | February 1973 |
| 463 | FTP comments and response to RFC 430A.K. Bhushan | Unknown | February 1973 |
| 464 | Resource notebook frameworkM.D. Kudlick | Unknown | February 1973 |
| 466 | Telnet logger/server for host LL-67J.M. Winett | Unknown | February 1973 |
| 467 | Proposed change to Host-Host Protocol: Resynchronization of connection statusJ.D. Burchfiel, R.S. Tomlinson | Unknown | February 1973 |
| 468 | FTP data compressionR.T. Braden | Unknown | March 1973 |
| 469 | Network mail meeting summaryM.D. Kudlick | Unknown | March 1973 |
| 470 | Change in socket for TIP news facilityR. Thomas | Unknown | March 1973 |
| 471 | Workshop on multi-site executive programsR. Thomas | Unknown | March 1973 |
| 472 | Illinois' reply to Maxwell's request for graphics information (NIC 14925)S. Bunch | Unknown | March 1973 |
| 473 | MIX and MIXAL?D.C. Walden | Unknown | February 1973 |
| 474 | Announcement of NGWG meeting: Call for papersS. Bunch | Unknown | March 1973 |
| 475 | FTP and Network Mail SystemA.K. Bhushan | Unknown | March 1973 |
| 476 | IMP/TIP memory retrofit schedule (rev 2)A.M. McKenzie | Unknown | March 1973 |
| 477 | Remote Job Service at UCSBM. Krilanovich | Unknown | May 1973 |
| 478 | FTP server-server interaction - IIR.D. Bressler, R. Thomas | Unknown | March 1973 |
| 479 | Use of FTP by the NIC JournalJ.E. White | Unknown | March 1973 |
| 480 | Host-dependent FTP parametersJ.E. White | Unknown | March 1973 |
| 482 | Traffic statistics (February 1973)A.M. McKenzie | Unknown | March 1973 |
| 483 | Cancellation of the resource notebook framework meetingM.D. Kudlick | Unknown | March 1973 |
| 485 | MIX and MIXAL at UCSBJ.R. Pickens | Unknown | March 1973 |
| 486 | Data transfer revisitedR.D. Bressler | Unknown | March 1973 |
| 487 | Free file transferR.D. Bressler | Unknown | April 1973 |
| 488 | NLS classes at network sitesM.F. Auerbach | Unknown | March 1973 |
| 489 | Comment on resynchronization of connection status proposalJ. Postel | Unknown | March 1973 |
| 490 | Surrogate RJS for UCLA-CCNJ.R. Pickens | Unknown | March 1973 |
| 491 | What is "Free"?M.A. Padlipsky | Unknown | April 1973 |
| 492 | Response to RFC 467E. Meyer | Unknown | April 1973 |
| 493 | GRAPHICS PROTOCOLJ.C. Michener, I.W. Cotton, K.C. Kelley, D.E. Liddle, E. Meyer | Unknown | April 1973 |
| 494 | Availability of MIX and MIXAL in the NetworkD.C. Walden | Unknown | April 1973 |
| 495 | Telnet Protocol specificationsA.M. McKenzie | Unknown | May 1973 |