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