Memorabilia, 20.07.1981-29.08.1981 To-do list
Memorabilia, 24.07.1981-31.07.1981Theatre guide, hotel card, note
Memorabilia, 26.07.1981Hotel mini-bar menu
Memorabilia, 26.07.1981Order form
Memorabilia, 27.07.1981Plane tickets, boarding pass, luggage coupon
Memorabilia, 27.07.1981-03.08.1981Cinema tickets, receipts
Memorabilia, 28.07.1981Beer advertisement with Ershov's notes on it
Memorabilia, 29.07.1981Order form for the report of the Dutch Computing Society "Who is the user?"
Memorabilia, 29.07.1981The list of the roundtable participants; the discission topic is "What is the computer literacy?"
Memorabilia, 29.07.1981Clipping from the "Izvestiya" newspaper
Memorabilia, 30.07.1981Receipt from a shop; a newspaper
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