- eBookThe Popham Colony a discussion of its historical claims, with a bibliography of the subjectWilliam Frederick Poole
- eBookThe Popham Colony a discussion of its historical claims, with a bibliography of the subjectWilliam Frederick Poole
- eBookThe Popham Colony a discussion of its historical claims, with a bibliography of the subjectFrederick Kidder
- eBookThe Popham Colony a discussion of its historical claims, with a bibliography of the subjectFrederick Kidder