"And Then There Was One," by Andrew Young.
In Locomotive & Railway Preservation, no. 35 (Nov.-Dec. 1991): pp. 34-44.
MNHS call number: TF725.M5 Y68 1991
The Electric Railways of Minnesota, by Russell L. Olson.
Hopkins, Minn.: Minnesota Transportation Museum, 1976; a supplement was published in 1990.
MNHS call number: Reading Room HE4487.M6 O48
1990 supplement: Reading Room HE4487.M6 O48 Suppl.
Twin Cities by Trolley, by John W. Diers.
Minneapolis: University of Minnesota Press, 2007.
MNHS call number: TF275 .M6 D54 2007
Rails to the North Star, by Richard S. Prosser.
Minneapolis, Minn.: Dillon Press, 1966.
MNHS call number: Reading Room HE2771.M6 P962
Twin Ports by Trolley: The Streetcar Era in Duluth-Superior, by Aaron Isaacs.
Minnneapolis: University of Minnesota Press, 2014.
MNHS call number: TF725.D85 I83 2014
Trolley Car Treasury: A Century of American Streetcars, Horsecars, Cable Cars, Interurbans, and Trolleys, by Frank Rowsome.
New York: McGraw-Hill, 1956.
MNHS call number: HE4471 .R88