Letter with attachment, M. C. Ashill->A.P. Ershov, 18.09.1973
Letter, P. Branquart->A.P. Ershov, 17.09.1973
Letter, J. F. Cunningham->A.P. Ershov, 01.09.1973(?)
Letter, J. T. Schwartz->A.P. Ershov, 21.09.1973
Letter, J. Kral->A.P. Ershov, 21.09.1973
Covering letter, E. Knight->A.P. Ershov, 03.10.1973
Letter, T. B. Steel, Jr.->To the members of IFIP TC2, 26.09.1973(?)
Letter, E. D. Scriven->A.P. Ershov, 26.09.1973(?)
Letter, W. Niegel->A.P. Ershov, 26.09.1973
Card, 11.10.1973With Compliments
Letter, F. L. Bauer ->A.P. Ershov, 02.10.1973
Letter, J. Gruska->A.P. Ershov, 29.09.1973
Letter with attachment, M. Nivat->A.P. Ershov, 11.10.1973
Letter with Attachment, M.Maunder->A.P. Ershov, 01.05.1973The addressee and his colleagues are invited to a conference INFO taking place in London on 23-25 October 1973. A detailed information on conference is enclosed.
Memo, R. Forest->A.P. Ershov, 18.10.1973
Letter, H. Leaman->A.P. Ershov, 18.10.1973
Letter, W. Niegel->A.P. Ershov, 24.10.1973
Letter, C.-E. Froeberg->A.P. Ershov, 22.10.1973
Letter, M. Halpern->A.P. Ershov, 16.08.1973
Letter, M. Miyakawa->A.P. Ershov, 18.10.1973
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