1
by Kahn, David, 1930-
Published 1978
...Hitler's spies :...
Book
2
by Bowers, Rick, 1952-
Published 2010
...Spies of Mississippi :...
Book
3
by Theoharis, Athan G.
Published 2002
...Chasing spies :...
Book
4
by Richelson, Jeffrey.
Published 1995
...A century of spies :...
Book
5
by Sibley, Katherine A. S. 1961-
Published 2004
...Red spies in America :...
Book
6
by Reel, Monte,
Published 2018
...A brotherhood of spies :...
Book
7
by Haufler, Hervie.
Published 2006
...The spies who never were :...
Book
8
by Persico, Joseph E.
Published 2001
Book
9
by Hoffman, Tod.
Published 2008
Book
10
by Hoffman, David E.
Published 2015
Book
11
12
by Bowen, Rhys,
Published 2017
Book
13
by Herrington, Stuart A., 1941-
Published 1999
Book
14
by Ross, Steven Joseph,
Published 2017
Book
15
by Bowen, Rhys,
Published 2018
Book
16
by Weiner, Tim.
Published 2013
Book
17
by White, G. Edward.
Published 2004
Book
18
by Reynolds, Nicholas E.,
Published 2017
Book
19
by Lewy, Guenter, 1923-
Published 2000
Book
20