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Article Jemma Lorenat (2016)
Synthetic and Analytic Geometries in the Publications of Jakob Steiner and Julius Plücker (1827–1829). Archive for History of Exact Sciences (pp. 413-462). (/isis/citation/CBB364033649/) unapi

Article Brazil, Marcus; Graham, Ronald L.; Thomas, Doreen A.; et al. (2014)
On the History of the Euclidean Steiner Tree Problem. Archive for History of Exact Sciences (pp. 327-354). (/isis/citation/CBB001214201/) unapi

Article Lorenat, Jemma (2012)
Not Set in Stone: Nineteenth-Century Geometrical Constructions and the Malfatti Problem. British Society for the History of Mathematics Bulletin (pp. 169-180). (/isis/citation/CBB001212294/) unapi

Article Eccarius, Wolfgang (1980)
Der Gegensatz zwischen Julius Plücker und Jakob Steiner im Lichte ihrer Beziehungen zu August Leopold Crelle: Hintergründe eines wissenschaftlichen Meinungsstreites. Annals of Science: The History of Science and Technology (pp. 189-213). (/isis/citation/CBB000006508/) unapi