but how many? who konws!
A major problem is that the Communists either did not have or refuse to give up documents eg Katyn ,pertaining to names, locations,eg Kolyma,eg Siberian camps- unlike the meticulous German records- until these are produced people will continue to search for missing relatives- to no avail.
Norman Davies provides a thorough if overall broad view of events of Polish History- he is after all an Historian. I'm not sure if he could enough specific detail.
Thousands of camps, millions of people.
Matyjasz: "sad"-that's an understatement.....