https://en.wikipedia.org/wiki/Alan_Bullock
https://en.wikipedia.org/wiki/Hitler:_A_Study_in_Tyranny
https://en.wikipedia.org/wiki/Bullock_Report_(A_Language_for_Life)
https://www.amazon.com/Hitler-Stalin-Parallel-Alan-Bullock/dp/0394586018/ref=tmm_hrd_swatch_0?_encoding=UTF8&qid=1595929992&sr=1-1