He wrote books on Lewiston history, including Frontier to Industrial City and Lewiston Politics in the Gilded Age. In 2005, Hodgkin published Fractured Family, a short book on the Maine courts.
Hodgkin authored works exploring Lewiston's transformation, including Frontier to Industrial City and Lewiston Politics in the Gilded Age. He wrote Fractured Family in 2005, a study of the Maine judicial system.