to the copy of Hoare's book with request to return it after examination

about publication of the books supported by A.Ershov

with questions about the Hoare's book translation

on free-lance title editing of the russian translation of C.A.R. Hoare's book "Communicating Sequential Processes"

of the scientific editor on receipt of the Hoare's book manuscript

of th editor of translation (handwritten and typewritten)

informing of completion of the work on the book's translation