title: Introduction. The NKVD’s “Polish Operation” of 1937–1938. Documents of a Stalinist Crime
abstract: The materials used in the publication of the documents were collected during work on the publication of volumes of the The NKVD’s “Polish Operation” in Documents series, funded by the Polish National Science Centre, project number 2015/19/B/HS3/01823, for implementation of the research project “The NKVD’s Polish Operation 1937–1938. Victims, Documents”. Project leader: Sławomir Dębski. The authors would like to thank Sergei Prudovsky from the Russian Memorial Society for his role in acquiring an
journal: AREI