| |
| 2007 | ||
|---|---|---|
| 3 | EE | Philip H. Jacobsen: Station Al - Guadalcanal: a Full Service Wwii Cryptologic Unit. Cryptologia 31(1): 57-75 (2007) |
| 2 | EE | Philip H. Jacobsen: Radio Silence of the Pearl Harbor Strike Force Confirmed Again: the Saga of Secret Message Serial (sms) Numbers. Cryptologia 31(3): 223-232 (2007) |
| 2005 | ||
| 1 | EE | Philip H. Jacobsen: Pearl Harbor: Radio Officer Leslie Grogan of the Ss Lurline and his Misidentified Signals. Cryptologia 29(2): 97-120 (2005) |