Voprosy izuchenii︠a︡ i izdanii︠a︡ pist︠s︡ovykh knig i drugikh istoriko-geograficheskikh istochnikov : tezisy dokladov i soobshcheniĭ IV Vserossiĭskogo nauchno-prakticheskogo soveshchanii︠a︡
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Vserossiĭskoe nauchno-prakticheskoe soveshchanie po voprosam izuchenii︠a︡ i izdanii︠a︡ pist︠s︡ovykh knig i drugikh istoriko-geograficheskikh istochnikov (4th : 1991 : Petrozavodsk, Russia)