Folder titled: BCPL a typeless language. Technical Memorandum No. 69/1, The BCPL Reference Manual by Martin Richards, University Mathematical Laboratory, Cambridge. Paper: Type checking in a typeless language by C.J. Higley, The Computer Journal, Volume 19, Number 2, May 1976. Memorandum -M-352, July 1967, The BCPL Reference Manual, Project MAC, Massachusetts Institute of Technology. Paper: The BCPL Reference Manual, May 1968. Paper: A summary of BCPL and its use on Titan by M Richards, October 1971.