One folder of miscellaneous manuscript working notes and papers; few are labelled or dated. They are left in the order kept by Strachey and include list of 'Words which are not well understood', 'Some problems in dynamic storage allocation' by M.D. Mcllroy, 20 February 1968, 'Compound Structure Type Syntax' and 'Compound Structure Expression Definition'.

Notes on streams, nodes, variables, structure definition. Also includes notes for CPL language meeting, n.d. and a list of 'Basic Concepts in CPL (in Programming Languages'), n.d.