Spy Sites of PhiladelphiaH. Keith Melton, Robert Wallace, Henry R. Schlesinger · First published 2021Open the Tome
Spy Sites of New York CityH. Keith Melton, Robert Wallace, Henry R. Schlesinger · First published 2020Open the Tome
SpycraftRobert Wallace, H. Keith Melton, Henry Robert Schlesinger · First published 2009Open the Tome
