In the late 20th century historians began to dispute the numbers given in Yeven Mezulah. They claim it overstates Jewish casualties during the Bohdan Khmelnytsky rebellion in 1648 and 1649.
Historians in the late twentieth century raised doubts about the statistics presented in Yeven Mezulah, arguing that they overstate Jewish casualties during the Bohdan Khmelnytsky rebellion of 1648 and 1649.