Sources
- Clara Craig, Lincoln, NE, to Henry H. Foster, Lincoln, NE, 19 February, 1938. UNL Building and Grounds, box 20, folder 1, University Archives and Special Collections, University of Nebraska-Lincoln.
- Knoll, Robert E. "Prairie University" Lincoln, Nebraska: University of Nebraska Press,1995. 223 pp.
- Laurence Fossler, Lincoln, NE, to the Chancellor and Board of Regents, 12 June, 1905. Board of Regents papers, box 17, folder 4, University Archives and Special Collections, University of Nebraska-Lincoln.
- Manley, Robert Neal. "The Nebraska State Council of Defense: Loyalty Programs and Policies During World War I." University of Nebraska: August, 1959. 302 pp.
- "Reagents Board Hearing Charges of the State Council." The Lincoln Star, 28 May, 1918.
- "Reagents of University of Nebraska Hearing Cases of Accused Professors." The Nebraska State Journal, 18 June, 1918.
- "A Romance-- 'aus Zwei Welton'" November, 1932., Dr. Fred Morrow Fling. U.N. Biographical/Bibliographical Files, box 91, folder 1, University Archives and Special Collections, University of Nebraska-Lincoln.
- "Schiller's Day." The Daily Nebraskan, 9 May , 1905.
- "The Schiller Festival." The Daily Nebraskan, 6 May, 1905.
- T. J. Thompson, Dean of Student Affairs, to Officers of Instruction, University of Nebraska-Lincoln, U.N. Biographical/Bibliographical Files, box 91, folder 1, University Archives and Special Collections, University of Nebraska-Lincoln.
- Victor Graham, Omaha, NE, to Clara Craig, Lincoln, NE, 25 January, 1938. UNL Building and Grounds, box 20, folder 1, University Archives and Special Collections, University of Nebraska-Lincoln.