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Letter, J. MacNeil->A.P. Ershov, 23.09.1985
Telegram, P. Suppes->A.P. Ershov, 03.04.1986
Letter with attachment, R. W. Judy->A.P. Ershov, 12.05.1986
Letter, A.P. Ershov->R. W. Judy, 16.06.1986
Letter with attachment (hand-written), Sh. Turkle->E. P. Velikhov, 23.06.1987
Business card, 30.10.1986
Article, 30.10.1986
Initial order | In alphabetical order | By date |
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