Statement
In January 1941 the official daily ration in Warsaw was 220 calories; by August it was 177.
Documented evidenceHigh certainty✓ Verified
References
p. 439
supports · main text · ch. 14
Efron, Lehmann and Weitzman. The Jews: A History. 3rd edition. New York and Abingdon: Routledge, 2019.
Verification anchor recorded · checked against the page text