to the paper of prof. M.M.Lehman appeared in IEEE Proc., September 1980.

The important common project shall not be realized in the case of the USSR invasion into Poland.

to the Report sent from Research Institute of National Defence, Sweden.

Information to the subscriber of the BIT Journal.

hand-written note

A draft letter to M.L.Dertouzos with thanks for the book "25 years of computer age".

is an answer to Ershov letter of May, 11, 1981.

sent by president of BSC to every Fellow of Society with invitation to participate in BCS'81 Conference.

about Colloquium on Data Processing Legislation to be held at the University of London Institut of Education on 2nd July 1981.

following by the typescript of Ershov's article dedicated to the 50th anniversary of E.Dijkstra and translated ito English by Tony Hoare.

with request for Ershov's assistance in disseminating information about the Seventh International Joint Conference on Artificial intelligence.

The author plans to leave the Carnegie-Mellon University and start a new software company.

with request to everyone enclosed in the mailing list of Laboratory for Computer Science, Massachusetts Institute of Technology, in the event of a change in address, to indicate his previous address together with new one in order to locate his file card expeditiously.

with request to send preprint "Programming: the second literacy".

to the paper by W.C.Norris, president of Control data Corporation.

Request to obtain a copy of the Russian edition of the Symposium on Methods for the Inplementation of Algorithmic Languages which was held on September 1975 at Novosibirsk

to the books received from Computing Laboratory of Oxford University.