| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-0-9644740-0-0 | Louis E Keefer | Shangri-la for wounded soldiers: The Greenbrier as a World War II army hospital |
| 1997 | 978-0-9644740-1-7 | Louis E. Keefer | From Maine to Mexico: With America's Private Pilots in the Fight Against Nazi U-Boats |