Nikita Vasilyevich Petrov is a Russian historian. He works at "Memorial," a Russian organization dedicated to Soviet political repression. Petrov specializes in Soviet security services. The book about Nikolai Ezhov written by Nikita Petrov and Marc Jansen is based on the archives made accessible after the dissolution of the Soviet Union. Petrov's part was tracking original archival documents, while Jansen worked with published sources. Wikipedia
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