Letter, B. Randell->A.P. Ershov, 14.09.1971
Letter, O. J. Fagbemi ->A.P. Ershov, 22.09.1971
Letter, Loh S. C.->A.P. Ershov, 08.10.1971
Letter, Schenefeldt->A.P. Ershov, 14.09.1971
Letter, F. A. Bernasconi ->A.P. Ershov, 22.09.1971
Letter, J. Belzer ->A.P. Ershov, 10.09.1971
Letter, J. McCarthy->A.P. Ershov, 06.10.1971
Card, 25.10.1971
Invoice, 17.09.1971
Letter, Kees Koster->A.P. Ershov, 11.10.1971The author informs Ershov of applying for position of the head of a research group in Formal Languages and Compilers at the Technical University of West Berlin, and asks for a reference.
Letter, R. K. Bauer ->A.P. Ershov, 18.10.1971
Letter, M. Paul->A.P. Ershov, 26.10.1971
Schedule, 27.10.1971
Telegram, J. E. Bertram->A.P. Ershov, 09.11.1971
Letter, M. A. Melkanoff->A.P. Ershov, 29.10.1971
Letter, J. B. Dennis->A.P. Ershov, 27.10.1971
Telegram, J. E. Bertram->A.P. Ershov, 30.11.1971
Letter, 22.11.1971
Letter, J. Rinde->A.P. Ershov, 12.11.1971
Letter, R. A. Farrand ->A.P. Ershov, 26.11.1971
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