Ball State University · Enigma Books
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| John P. Marquand and Mr. Moto: Spy adventures and detective films | 978-0-937994-17-7 (0-937994-17-0) | 1990 |
| The Cicero Spy Affair: German Access to British Secrets in World War II | 978-1-929631-80-3 (1-929631-80-4) | 2009 |
Richard W. · Richard Warch · Richard Wark · Richard Weirich · Richard Weyhrauch · Richard Wirick · Ryszard Wryk