RFC 1330
- http://tools.ietf.org/html/rfc1330
- Recommendations for the Phase I Deployment of OSI Directory Services (X.500) and OSI Message Handling Services (X.400) within the ESNET Community. ESCC X.500/X.400 Task Force, ESnet Site Coordinating Committee (ESCC). May 1992.
RFC 1331
- http://tools.ietf.org/html/rfc1331
- The Point-to-Point Protocol (PPP) for the Transmission of Multi-protocol Datagrams over Point-to-Point Links. W. Simpson. May 1992.
RFC 1335
- http://tools.ietf.org/html/rfc1335
- A Two-Tier Address Structure for the Internet: A Solution to the Problem of Address Space Exhaustion. Z. Wang, J. Crowcroft. May 1992.
RFC 1341
- http://tools.ietf.org/html/rfc1341
- MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies. N. Borenstein, N. Freed. June 1992.