P.G. · Peter G. · Sir Peter Gretton
Cassell · Naval Institute Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Crisis convoy: The story of HX231 | 978-0-87021-925-2 (0-87021-925-1) | 1974 |
| El factor olvidado: la marina británica y la Guerra Civil española | 978-84-7140-224-0 (84-7140-224-6) | 1984 |
| Former naval person: Winston Churchill and the Royal Navy | 978-0-304-93160-6 (0-304-93160-8) | 1968 |