Hokanson, Drake. The Lincoln Highway: Main Street Across America. Iowa City: University of Iowa Press, 1988.

Lincoln Highway Association. The Complete Official Road Guide of The Lincoln Highway, Editions 2-5. Detroit: The Lincoln Highway Association, Inc., 1916, 1918, 1921, 1924.

The Lincoln Highway: The Story of a Crusade that Made Transportation History. New York: Dodd, Mead & Company, 1935.


Buettner, Michael G. "Before The Route Was Straight: Ohio's Zigzag Route." The Lincoln Highway Forum. Vol. 4, No. 3 (Spring 1997). pp. 15-19.

Buettner, Michael G. "The Lincoln Highway in Ohio." The Lincoln Highway Forum. Vol. 3, No. 1 (Fall 1995). pp. 8-17.

"New State Highway Markers Justify Club's Efforts for Simplifying of Road Signs." The Ohio Motorist. January 1924 (reprinted in The Signpost. September 1998. p. 17.)

"Numbering System for Ohio Roads." Motor Age. August 7, 1917. p. 25.

Oyster, Esther M. "The Monuments of Crawford County, Ohio." The Lincoln Highway Forum. Vol. 2, No. 2 (Winter/Early Spring 1995). pp. 19-26.


Goodrich Route Book, 1916.

King's Official Route Guide, Section 6, 1916.

Official Automobile Blue Books, Volume 4, 1916 and 1920.

Rand McNally Auto Road Atlas of the United States, 1926.

Rand McNally Junior Auto Trails Atlas of the United States, 1924.

Scarborough's Official Tour Book, 1917.

Map references for this project include the official highway and transportation maps published by the Ohio Department of Highways/

Ohio Department of Transportation, plus the right-of-way plans for many projects which are on file at district offices.


Newspaper references include articles from the following newspapers, dated from 1913 to present:

(listed geographically from east to west)

The Buckeye State [Lisbon]

The Daily Record [Wooster]

The Ashland Press; The Ashland Times-Gazette

The Bucyrus Journal; The News-Forum

The Ada Record

The Bluffton News

The Lima Daily News; The Republican-Gazette; The Times-Democrat

The Delphos Herald

The Daily Times [Van Wert]