Perhaps assembled for review/comment on a paper by H. Rutishauser 'Interference with an ALGOL-procedure' (a copy of which is enclosed) for Review in Automatic Programming.

Folder also includes a copy of 'Towards an ALGOL translator' by Bryan Higman, 1961, with comments by P. Landin and M. Woodger, and an offprint of 'Report on the algorithmic language ALGOL60' by J.W. Backus et al.