1. The mechanics, mechanical anatomy, and mechanical distortions of the bony structure of the human foot Author(s): Plumer, John C. Publication: Portland [Me.] : Printed by Brown Thurston, 1860 Subject(s): Foot Deformities, AcquiredShoes
2. Improved lasts for boots and shoes, patented July 17, 1860 Author(s): Plumer, John C. Publication: [Portland, Me. : s.n., 1860] Subject(s): ShoesOrthotic Devices