Analysis of information sources in references of the Wikipedia article "Γκέτο του Μπιαουίστοκ" in Greek language version.
Territory invaded by the Germans encompassed 188,700 sq km. The Soviets invaded a total of 201,000 sq km of Poland; of which 103,000 sq km were annexed to the Belorussian SSR; 89,700 sq km to the Ukrainian SSR; and 8,300 sq km of the Lithuanian SSR.
Chpt. 3. Note 8, p. 12 (29 in PDF) source: YVA, TR-10/823 (Landgericht Wuppertal, judgement 12 Ks 1/67): 40—
Encyclopedia Judaica and Κρίστοφερ Μπράουνινγκ confirm the death of 2,200 Jews on June 27 ('Red Friday') as well as about 300 Jewish intellectuals on July 3rd, and over 3,000 Jews on July 12, 1941 ('Black Saturday'), for the total of over 5,500 Jewish victims of Orpo terror in the first weeks of Operation Barbarossa.
Chpt. 3. Note 8, p. 12 (29 in PDF) source: YVA, TR-10/823 (Landgericht Wuppertal, judgement 12 Ks 1/67): 40—