sentences:  While the book mentions investigations of German war crimes in Poland, the Soviet Union and elsewhere, about half of the archival records of the Wehrmacht War Crimes Bureau are missing, according to de Zayas, and those extant files concern primarily Soviet war crimes.De Zayas lectured at All Souls' College, Oxford on 17 May 1990 on the Wehrmacht Bureau and published a summary article on the book.The book has also delivered material for novels.