At the age of 17 Eva, takes a bookkeeping job.- you don't use the present tense after this point, so wouldn't it be better to stick with the past?
On the rare occasion- plural
relationship was rocky form the start- from
self inflicted- self-inflicted
post war widows- war widows (they became widows in the war)
Millions of people were victims to this ruthless- fell victims
In a letter Eva once wrote Hitler- In a letter Eva once wrote to Hitler,
PS- When giving references to URLs, it is probably more helpful to give a full reference, rather than something as vague as 'Geocities'.