William E. Gienapp, " 'Politics Seem To Enter into Everything': Political Culture in the North, 1840-1860," in Stephen E. Maizlish, ed., Essays on American Antebellum Politics, 1840-1860.. (Texas A&M University Press, 1982) pp.14-69. online.
rutgers.edu
njs.libraries.rutgers.edu
Bruce A. Bendler, "The Steam Mill and Jacksonian Politics: The Career of William N. Jeffers." New Jersey Studies 4.2 (2018): 41-68. online