Ernst Olson, History of the Swedes of Illinois (1908) and miscellaneous notes for IHPA's Conference on Illinois History -- including a link to Purdue OWL summary of Chicago/Turabian style

"Purdue OWL," of course, has nothing to do with nocturnal birds. It's Purdue University's Online Writing Lab. Link here for its entries on University of Chicago style:

https://owl.english.purdue.edu/owl/resource/717/01/

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Sixteenth Annual Conference on Illinois History, September 25–26, 2014, Prairie Capital Convention Center Abraham Lincoln Presidential Museum Springfield, Illinois. Sponsored by the Illinois Historic Preservation Agency and Abraham Lincoln Presidential Library Foundation. http://www.illinois.gov/ihpa/Involved/Documents/2014.Conference.pdf

Immigration and Migration [3:30-5 p.m., Friday, Sept. 26]
Moderator: Mark Johnson, Illinois Historic Preservation Agency
“Quad-city Creoles: Blended European and Anglo-American Musical Traditions in Swedish-American Cultural Institutions, 1848– 1925,” Peter Ellertsen, Independent Scholar

“The Great Migration, 1915-1919: The Impact on Chicago and East St. Louis,” Ronald E. Howell, Independent Scholar

“Progress and Social Mobility among Chicago Heights Italians, 1910–1940,” Louis Corsino, North Central College; Kerby Kniss, North Central College; Marcella Wirtz, North Central College

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Ernst Olson, ed. History of the Swedes of Illinois (Chicago: Engberg-Holmberg, 1908) https://archive.org/details/historyofswedeso00olsorich