RG Southwell Foundation - Information about the highway's history in Utah, links to related resources, and sales of books, guides, and signs. - http://www.lincolnhighway.com/
Patrick, Kevin J. - Indiana University of Pennsylvania faculty member who has compiled the Lincoln Highway Resource Guide and the Lincoln Highway Landscape Interpretation Manual, both available online. Page includes links to the aforementioned professional papers. - http://www.iup.edu/geography/faculty/patrick.shtm
Lincoln Highway Special Resource Study - National Park Service project. Detailed maps are planned to be available. - http://www.nps.gov/mwro/LincolnHighway/
Lincoln Highway Association - Official organization with chapters in many states. - http://www.lincolnhighwayassoc.org/
Lincoln Highway - Private effort containing facts, maps, and history. - http://www.ugcs.caltech.edu/~jlin/lincoln/