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Ярцев, А.А. М. С. Щепкин (ЖЗЛ) [электронный ресурс]: Архивная литература / А.А. Ярцев. — 1 — 98 с. — Аспирантура. — <URL:https://znanium.com/catalog/document?id=203693>. — <URL:https://znanium.com/cover/0356/356973.jpg>.
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