Letter approving the program of lectures proposed by Ershov and looking forward to see him in Stanford next year; on the author's plans for European tour with his family and his desire to visit Novosibirsk; discussing the lecture topics that could be of interest in Novosibirsk Date: 25.08.1966 Original document language: English Authors: George E. Forsythe Organizations: Stanford University Persons: Niklaus Wirth Addressee: Andrei Petrovich Ershov