- U. S. Army Collectors Group in Belgium
- 4th Maine Facts
- Battles and other information about the 4th Maine Regiment
- Third Maine Regiment
- Brothers in Arms, then and now!
- Maine State Archives
- The Archives has a large holding of 4th Maine Regiment documents and photos. This is also a good place to look for other Maine Regiments.
- Shore Village Museum
- Museum is located in the old GAR building for Post #16. Has a small Civil War collection, as well as a light house collection and other interseting items.
- Thomaston Historical Society
- Many of the men from the 4th Maine Regiment came from Thomaston.
- Canadians Serving in Maine Regiments
- Canadians who served in the Maine militia during the Civil War. Compiled by Bruce Towers.
- Civil War Clipart Gallery
- A page devoted to Civil War Clipart
- 19th Century Animated GIF's
- A page for 19th century animation art