1.
Stasi The Untold Story of the East German Secret Police
by Koehler, John O.
ISBN: 9780813337449
List Price: $21.95
2.
Stasi: The Untold Story of East German Secret Police - John O. Koehler - Hardcover
by Koehler, John O.
ISBN: 9780813334097
3.
Spies in the Vatican: the Soviet Union's Cold War Against the Catholic Church
by Koehler, John O.
ISBN: 9781522676454