Statement

In January 1937, 42 senior NKVD officials were Jews, and 12 of 20 directorates had Jewish heads.

References

1. p. 387

   supports · main text · ch. 13

   Efron, Lehmann and Weitzman. The Jews: A History. 3rd edition. New York and Abingdon: Routledge, 2019.

   Verification anchor recorded · checked against the page text