| RFC 0001 | | Host Software. S. Crocker. April 1969. |
| RFC 0002 | | Host Software B. Duvall. April 1969. |
| RFC 0003 | | Documentation Conventions. S.D. Crocker. April 1969. |
| RFC 0004 | | Network Timetable. E.B. Shapiro. March 1969. |
| RFC 0005 | | Decode Encode Language (DEL). J. Rulifson. June 1969. |
| RFC 0006 | | Conversation with Bob Kahn. S.D. Crocker. April 1969. |
| RFC 0007 | | Host-IMP interface. G. Deloche. May 1969. |
| RFC 0010 | | Documentation Conventions. S.D. Crocker. July 1969. |
| RFC 0012 | | IMP-Host interface flow diagrams. M. Wingfield. August 1969. |
| RFC 0013 | | Zero Text Length EOF Message. V. Cerf. August 1969. |
| RFC 0015 | | Network Subsystem for Time Sharing Hosts. C.S. Carr. September 1969. |
| RFC 0016 | | M.I.T. S. Crocker. August 1969. |
| RFC 0017 | | Some Questions Re: Host-IMP Protocol. J.E. Kreznar. August 1969. |
| RFC 0018 | | IMP-IMP and HOST-HOST Control Links. V. Cerf. September 1969. |
| RFC 0019 | | Two Protocol Suggestions to Reduce Congestion at Swap Bound Nodes. J.E. Kreznar. October 1969. |
| RFC 0020 | | ASCII Format for Network Interchange. V.G. Cerf. October 1969. |
| RFC 0021 | | Network Meeting. V.G. Cerf. October 1969. |
| RFC 0022 | | Host-Host Control Message Formats. V.G. Cerf. October 1969. |
| RFC 0023 | | Transmission of Multiple Control Messages. G. Gregg. October 1969. |
| RFC 0024 | | Documentation Conventions. S.D. Crocker. November 1969. |
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