Mainers in the Civil WarHarry Gratwick
Harry Gratwick
- Formaatti
Kirjat Harry Gratwick
- Hidden History of MaineHarry Gratwick
- The Forts of Maine: Silent Sentinels of the Pine Tree StateHarry Gratwick
- The Maritime Marauder of Revolutionary Maine: Captain Henry MowatHarry Gratwick
- Stories from the Maine Coast: Skippers, Ships and StormsHarry Gratwick
- Penobscot Bay: People, Ports & PastimesHarry Gratwick
- Historic Shipwrecks of Penobscot BayHarry Gratwick
