| Review of Figuring It Out At Bletchley Park 1939-1945 by John Gallehawk and Kerry Johnson | 0 | 0.34 | 2008 |
| Reviews and Things Cryptologic | 2 | 0.75 | 2006 |
| Unknown Military Coding Device Can You Identify It? | 0 | 0.34 | 2005 |
| Hms Dunedin Acts on Enigma Material | 0 | 0.34 | 2005 |
| Global Eavesdropping | 0 | 0.34 | 2005 |
| College-level Math Crypto Text | 0 | 0.34 | 2005 |
| Cryptology in American History | 0 | 0.34 | 2005 |
| Pearl Harbor Revisited | 0 | 0.34 | 2005 |
| Friedman Legacy | 0 | 0.34 | 2005 |
| Confederate Treasure Issues | 0 | 0.34 | 2005 |
| Code Names Post 9/11 | 0 | 0.34 | 2005 |
| Enigma Articles from Cryptologia | 0 | 0.34 | 2005 |
| Detective Notebook for Young Adults | 0 | 0.34 | 2005 |
| Crypto User's Guide | 0 | 0.34 | 2005 |
| Coral Sea, Midway, and Aleutians Naval Intelligence | 0 | 0.34 | 2005 |
| Novel Secrets | 0 | 0.34 | 2005 |
| UNKNOWN GERMAN WORLD WAR II CIPHER DEVICE | 0 | 0.34 | 2004 |
| THE SHAKESPEARE-BACON CONTROVERSY CONTINUES ON THE STAGE | 0 | 0.34 | 2003 |
| The commercial enigma: beginnings of machine cryptography | 6 | 1.27 | 2002 |
| THE WORLD OF CODES AND CIPHERS AT THE HEINZ NIXDORF MUSEUMSFORUM | 0 | 0.34 | 2002 |
| VINT HILL FARMS STATION | 0 | 0.34 | 1999 |
| Still waiting to be solved: Elgar's 1897 cipher message | 0 | 0.34 | 1998 |
| Another Herbert O. Yardley mystery? | 0 | 0.34 | 1998 |
| IN THE NAME OF INTELLIGENCE: ESSAYS IN HONOR OF WALTER PFORZHEIMER BOOK REVIEW | 0 | 0.34 | 1995 |
| A PICTORIAL TOUR OF THE NATIONAL CRYPTOLOGIC MUSEUM | 0 | 0.34 | 1994 |
| THE POSTAL SERVICE FAILS TO DELIVER THE GOODS | 0 | 0.34 | 1994 |
| A 77-YEAR OLD CHALLENGE CIPHER | 0 | 0.34 | 1993 |
| ARMY - NAVY COLLABORATION FOR CRYPTANALYSIS OF ENEMY SYSTEMS | 0 | 0.34 | 1992 |
| SLIDING CODE DEVICE OF UNKNOWN ORIGIN | 0 | 0.34 | 1992 |
| MILITARY INTELLIGENCE CORPS HALL OF FAME | 0 | 0.34 | 1991 |
| CORRESPONDENCE IN CIPHER A CIPHER TYPEWRITER TRADE CATALOGUE | 0 | 0.34 | 1991 |
| SEIZING THE ENIGMA TWO REVIEWS OF ONE BOOK | 0 | 0.34 | 1991 |
| THE SWEDISH HC-9 CIPHERING MACHINE CHALLENGE | 0 | 0.34 | 1990 |
| The Turing bombe: was it enough? | 4 | 0.63 | 1990 |
| Chaocipher enters the computer age when its method is disclosed to Cryptologia editors | 3 | 0.69 | 1990 |
| Why was Safford pessimistic about breaking the German enigma cipher machine in 1942? | 0 | 0.34 | 1990 |
| BRITISH-AMERICAN CRYPTANALYTIC COOPERATION AND AN UNPRECEDENTED ADMISSION BY WINSTON CHURCHILL | 0 | 0.34 | 1989 |
| TALES OF YARDLEY: SOME SIDELIGHTS TO HIS CAREER | 1 | 0.60 | 1989 |
| THE SWEDISH HC-9 CIPHERING MACHINE | 0 | 0.34 | 1989 |
| A PULP MAGAZINE CIPHER | 0 | 0.34 | 1988 |
| THE BEALE CIPHER AS A BAMBOOZLEMENT - PART II | 0 | 0.34 | 1988 |
| Stimson, the black chamber, and the “Gentlemen's Mail” quote | 1 | 0.48 | 1988 |
| BRITISH ROCKEX CIPHER MACHINES | 0 | 0.34 | 1987 |
| AN OBSCURE CRYPTOGRAPHIC DEVICE | 0 | 0.34 | 1987 |
| FROM BLETCHLEY PARK TO BERCHTESGADEN | 3 | 0.87 | 1987 |
| The shortsighted view of a foresighted admiral | 0 | 0.34 | 1987 |
| The control of public cryptography and freedom of speech: A review | 0 | 0.34 | 1986 |
| CRYPTOLOGY AND THE LAW - VI | 0 | 0.34 | 1986 |
| APPENDIX MECHANICS OF THE GERMAN TELECIPHER MACHINE | 1 | 0.97 | 1986 |
| THE TRUMAN MEMORANDUM | 0 | 0.34 | 1986 |
