Benda, K., ed. (1994). "Schlesinger Ludwig (Lajos)"(PDF). Österreichisches Biographisches Lexikon 1815–1950 (ÖBL). Vol. Band 10. Wien: Verlag der Österreichischen Akademie der Wissenschaften. p. 196. ISBN3-7001-2186-5. Schlesinger's son Eilhard (1909–1968) immigrated in 1933 to Argentina and became there in 1944 a professor of Greek and classical Greek culture.
Lapin, Sergey Alexandrovich. "Nikolay Ivanovich Lobachevsky: Copernicus of Geometry (section on Lobachevsky Prize)"(PDF). Mathematics Department, Washington State University (math.wsu.edu). (slides for course MATH 398: Mathematical Snapshots. "Character, life work, and historical importance of mathematicians from various eras and branches of mathematics")
