Introduction. The NKVD’s “Polish Operation” of 1937–1938. Documents of a Stalinist Crime

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 and compiling the documents used in the text. We are publishing the documents, originally written in Russian, in an English translation. We have added footnotes explaining the necessary context, including key information on the individuals mentioned in the text and their functions at the time when the document was produced. Academic transcription has been used, in line with AREI’s editorial standards.