More Comments on the Forthcoming Protocol
RFC 40, “More Comments on the Forthcoming Protocol”, is an Unknown document published in March 1970 by E. Harslem, J.F. Heafner. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
The canonical text of RFC 40 is hosted at rfc-editor.org. Available in TXT,HTML.