Extremely so. The book "KL: A History of the Nazi Concentration Camps" by Nikolaus Wachsmann is very thorough. It has a total of 626 pages of text, and another 239 pages of chapter notes, and documented source material.
65 posted on 05/19/2021 3:52:53 PM PDT by mass55th
("Courage is being scared to death, but saddling up anyway." ~~ John Wayne )