RFC 0450 MULTICS Sampling Timeout Change. M.A. Padlipsky. February 1973. http://www.faqs.org/rfcs/rfc450.html

RFC 0449 Current Flow-Control Scheme for IMPSYS. D.C. Walden. January 1973. http://www.faqs.org/rfcs/rfc449.html

RFC 0445 IMP/TIP Preventive Maintenance Schedule. A.M. McKenzie. January 1973. http://www.faqs.org/rfcs/rfc445.html

RFC 0441 Inter-Entity Communication - an Experiment. R.D. Bressler, R. Thomas. January 1973. http://www.faqs.org/rfcs/rfc441.html

RFC 0440 Scheduled Network Software Maintenance. D.C. Walden. January 1973. http://www.faqs.org/rfcs/rfc440.html

RFC 0438 FTP Server-Server Interaction. R. Thomas, R. Clements. January 1973. http://www.faqs.org/rfcs/rfc438.html

RFC 0457 TIPUG. D.C. Walden. February 1973. http://www.faqs.org/rfcs/rfc457.html

RFC 0431 Update on SMFS Login and Logout. M. Krilanovich. December 1972. http://www.faqs.org/rfcs/rfc431.html

RFC 0430 Comments on File Transfer Protocol. R.T. Braden. February 1973. http://www.faqs.org/rfcs/rfc430.html

RFC 0423 UCLA Campus Computing Network Liaison Staff for ARPANET. B. Noble. December 1972. http://www.faqs.org/rfcs/rfc423.html

RFC 0422 Traffic Statistics (November 1972). A.M. McKenzie. December 1972. http://www.faqs.org/rfcs/rfc422.html

RFC 0421 Software Consulting Service for Network Users. A.M. McKenzie. November 1972. http://www.faqs.org/rfcs/rfc421.html

RFC 0487 Free File Transfer. R.D. Bressler. April 1973. http://www.faqs.org/rfcs/rfc487.html

RFC 0468 FTP Data Compression. R.T. Braden. March 1973. http://www.faqs.org/rfcs/rfc468.html

RFC 0448 Print Files in FTP. R.T. Braden. February 1973. http://www.faqs.org/rfcs/rfc448.html

RFC 0486 Data Transfer Revisited. R.D. Bressler. March 1973. http://www.faqs.org/rfcs/rfc486.html

RFC 0490 Surrogate RJS for UCLA-CCN. J.R. Pickens. March 1973. http://www.faqs.org/rfcs/rfc490.html

RFC 0447 IMP/TIP Memory Retrofit Schedule. A.M. McKenzie. January 1973. http://www.faqs.org/rfcs/rfc447.html

RFC 0442 Current Flow-Control Scheme for IMPSYS. V. Cerf. January 1973. http://www.faqs.org/rfcs/rfc442.html

RFC 0406 Scheduled IMP Software Releases. J.M. McQuillan. October 1972. http://www.faqs.org/rfcs/rfc406.html