There has been data ("Twarze Biaostockiej Bezpieki: Obsada Stanowisk Kierowniczych Urzedu Bezpieczenstwa I Suzby Bezpieczenstwa W Biaymstoku: Informator Personalny") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sat Aug 31 11:10:34 2019, so the data displayed here has been removed .