Chaim Kaplan’s “Scroll of Agony” records the thoughts, emotions and observations of someone living through the nightmare of occupied Poland. Kaplan presents himself as a real person and eye-witness to the horror of life in the Warsaw Ghetto. He depicts its gradual degradation. He blasts the Nazis, Polish and Jewish collaborators, corruption in the ghetto, etc. Kaplan’s is also a graphic report on the day-to-day existence and persecution of his Polish friends and neighbors.
https://www.jewsandpolesdatabase.org/2019/11/04/nazis-saw-jews-and-poles-similarly-kaplan/