Ethnic Cleansing in the USSR, 1937-1949

Ethnic Cleansing in the USSR, 1937-1949 is a book by J. Otto Pohl, ISBN 0-313-30921-3, ISBN 978-0-313-30921-2, DOI 10.1336/0313309213 (Google Books) that discusses various incidences of ethnic cleansing in the USSR between 1937 and 1949, including the Greek Operation.