There are also some draft about telnet before rfc854.
RFC854 - Telnet Protocol Specification
http://www.faqs.org/ftp/rfc/pdf/rfc854.txt.pdf
RFC855 - Telnet Option Specifications
http://www.faqs.org/ftp/rfc/pdf/rfc855.txt.pdf
RFC856 - Telnet Binary Transmission
http://www.faqs.org/ftp/rfc/pdf/rfc856.txt.pdf
RFC857 - Telnet Echo Option
http://www.faqs.org/ftp/rfc/pdf/rfc857.txt.pdf
RFC858 - Telnet Suppress Go Ahead Option
http://www.faqs.org/ftp/rfc/pdf/rfc858.txt.pdf
RFC859 - Telnet Status Option
http://www.faqs.org/ftp/rfc/pdf/rfc859.txt.pdf
RFC860 - Telnet Timing Mark Option
http://www.faqs.org/ftp/rfc/pdf/rfc860.txt.pdf
RFC861 - Telnet Extended Options: List Option
http://www.faqs.org/ftp/rfc/pdf/rfc861.txt.pdf
RFC884 - Telnet terminal type option
http://www.faqs.org/ftp/rfc/pdf/rfc884.txt.pdf
RFC885 - Telnet end of record option
http://www.faqs.org/ftp/rfc/pdf/rfc885.txt.pdf
RFC927 - TACACS user identification Telnet option
http://www.faqs.org/ftp/rfc/pdf/rfc927.txt.pdf
RFC930 - Telnet terminal type option
http://www.faqs.org/ftp/rfc/pdf/rfc930.txt.pdf
RFC933 - Output marking Telnet option
http://www.faqs.org/ftp/rfc/pdf/rfc933.txt.pdf
RFC946 - Telnet terminal location number option
http://www.faqs.org/ftp/rfc/pdf/rfc946.txt.pdf
RFC1041 - Telnet 3270 regime option
http://www.faqs.org/ftp/rfc/pdf/rfc1041.txt.pdf
RFC1043 - Telnet Data Entry Terminal option: DODIIS implementat
http://www.faqs.org/ftp/rfc/pdf/rfc1043.txt.pdf
RFC1053 - Telnet X.3 PAD option
http://www.faqs.org/ftp/rfc/pdf/rfc1053.txt.pdf
RFC1073 - Telnet window size option
http://www.faqs.org/ftp/rfc/pdf/rfc1073.txt.pdf
RFC1079 - Telnet terminal speed option
http://www.faqs.org/ftp/rfc/pdf/rfc1079.txt.pdf
RFC1080 - Telnet remote flow control option
http://www.faqs.org/ftp/rfc/pdf/rfc1080.txt.pdf
RFC1091 - Telnet terminal-type option
http://www.faqs.org/ftp/rfc/pdf/rfc1091.txt.pdf
RFC1096 - Telnet X display location option
http://www.faqs.org/ftp/rfc/pdf/rfc1096.txt.pdf
RFC1097 - Telnet subliminal-message option
http://www.faqs.org/ftp/rfc/pdf/rfc1097.txt.pdf
RFC1116 - Telnet Linemode option
http://www.faqs.org/ftp/rfc/pdf/rfc1116.txt.pdf
RFC1143 - The Q Method of Implementing TELNET Option Negotiation
http://www.faqs.org/ftp/rfc/pdf/rfc1143.txt.pdf
RFC1184 - Telnet Linemode Option
http://www.faqs.org/ftp/rfc/pdf/rfc1184.txt.pdf
RFC1205 - 5250 Telnet interface
http://www.faqs.org/ftp/rfc/pdf/rfc1205.txt.pdf
RFC1372 - Telnet Remote Flow Control Option
http://www.faqs.org/ftp/rfc/pdf/rfc1372.txt.pdf
RFC1408 - Telnet Environment Option
http://www.faqs.org/ftp/rfc/pdf/rfc1408.txt.pdf
RFC1409 - Telnet Authentication Option
http://www.faqs.org/ftp/rfc/pdf/rfc1409.txt.pdf
RFC1411 - Telnet Authentication: Kerberos Version 4
http://www.faqs.org/ftp/rfc/pdf/rfc1411.txt.pdf
RFC1412 - Telnet Authentication: SPX
http://www.faqs.org/ftp/rfc/pdf/rfc1412.txt.pdf
RFC1416 - Telnet Authentication Option
http://www.faqs.org/ftp/rfc/pdf/rfc1416.txt.pdf
RFC1571 - Telnet Environment Option Interoperability Issues
http://www.faqs.org/ftp/rfc/pdf/rfc1571.txt.pdf
RFC1572 - Telnet Environment Option
http://www.faqs.org/ftp/rfc/pdf/rfc1572.txt.pdf
RFC2066 - TELNET CHARSET Option
http://www.faqs.org/ftp/rfc/pdf/rfc2066.txt.pdf
RFC2217 - Telnet Com Port Control Option
http://www.faqs.org/ftp/rfc/pdf/rfc2217.txt.pdf
RFC2840 - TELNET KERMIT OPTION
http://www.faqs.org/ftp/rfc/pdf/rfc2840.txt.pdf
RFC2877 - 5250 Telnet Enhancements
http://www.faqs.org/ftp/rfc/pdf/rfc2877.txt.pdf
RFC2941 - Telnet Authentication Option
http://www.faqs.org/ftp/rfc/pdf/rfc2941.txt.pdf
RFC2942 - Telnet Authentication: Kerberos Version 5
http://www.faqs.org/ftp/rfc/pdf/rfc2942.txt.pdf
RFC2943 - TELNET Authentication Using DSA
http://www.faqs.org/ftp/rfc/pdf/rfc2943.txt.pdf
RFC2944 - Telnet Authentication: SRP
http://www.faqs.org/ftp/rfc/pdf/rfc2944.txt.pdf
RFC2946 - Telnet Data Encryption Option
http://www.faqs.org/ftp/rfc/pdf/rfc2946.txt.pdf
RFC2947 - Telnet Encryption: DES3 64 bit Cipher Feedback
http://www.faqs.org/ftp/rfc/pdf/rfc2947.txt.pdf
RFC2948 - Telnet Encryption: DES3 64 bit Output Feedback
http://www.faqs.org/ftp/rfc/pdf/rfc2948.txt.pdf
RFC2949 - Telnet Encryption: CAST-128 64 bit Output Feedback
http://www.faqs.org/ftp/rfc/pdf/rfc2949.txt.pdf
RFC2950 - Telnet Encryption: CAST-128 64 bit Cipher Feedback
http://www.faqs.org/ftp/rfc/pdf/rfc2950.txt.pdf
RFC2951 - TELNET Authentication Using KEA and SKIPJACK
http://www.faqs.org/ftp/rfc/pdf/rfc2951.txt.pdf
RFC2952 - Telnet Encryption: DES 64 bit Cipher Feedback
http://www.faqs.org/ftp/rfc/pdf/rfc2952.txt.pdf
RFC2953 - Telnet Encryption: DES 64 bit Output Feedback
http://www.faqs.org/ftp/rfc/pdf/rfc2953.txt.pdf
RFC4248 - The telnet URI Scheme
http://www.faqs.org/ftp/rfc/pdf/rfc4248.txt.pdf
RFC4777 - IBM's iSeries Telnet Enhancements
http://www.faqs.org/ftp/rfc/pdf/rfc4777.txt.pdf