RFC 0549 - Minutes of Network Graphics Group meeting, 15-17 July 1973. J.C. Michener. July 1973. - http://tools.ietf.org/html/rfc549
RFC 0547 - Change to the Very Distant Host Specification. D.C. Walden. August 1973. - http://tools.ietf.org/html/rfc547
RFC 0546 - TENEX Load Averages for July 1973. R. Thomas. August 1973. - http://tools.ietf.org/html/rfc546
RFC 0545 - Of What Quality Be the UCSB Resources Evaluators? A Response to "Feast of Famine". J.R. Pickens. July 1973. - http://tools.ietf.org/html/rfc545
RFC 0543 - Network Journal Submission and Delivery. N.D. Meyer. July 1973. - http://tools.ietf.org/html/rfc543
RFC 0523 - SURVEY is in Operation Again. A.K. Bhushan. June 1973. - http://tools.ietf.org/html/rfc523
RFC 0597 - Host Status. N. Neigus, E.J. Feinler. December 1973. - http://tools.ietf.org/html/rfc597
RFC 0542 - File Transfer Protocol. N. Neigus. August 1973. - http://tools.ietf.org/html/rfc542
RFC 0599 - Update on NETRJS. R.T. Braden. December 1973. - http://tools.ietf.org/html/rfc599
RFC 0516 - Lost Message Detection. J. Postel. May 1973. - http://tools.ietf.org/html/rfc516
RFC 0527 - ARPAWOCKY. D.L. Covill. May 1973. - http://tools.ietf.org/html/rfc527
RFC 0548 - Hosts Using the IMP Going Down Message. D.C. Walden. August 1973. - http://tools.ietf.org/html/rfc548
RFC 0561 - Standardizing Network Mail Headers. A.K. Bhushan, K.T. Pogran, R.S. Tomlinson, et al. September 1973. - http://tools.ietf.org/html/rfc561
RFC 0585 - ARPANET Users Interest Working Group Meeting. D. Crocker, N. Neigus, E.J. Feinler, et al. November 1973. - http://tools.ietf.org/html/rfc585