Chapter Johnson, Dale M.; (1987)
L.E.J. Brouwer's coming of age as a topologist (/isis/citation/CBB000042993/)

Article Siegberg, Hans Willi; (1981)
Some historical remarks concerning degree theory (/isis/citation/CBB000027186/)

Book Dalen, Dirk van; (2013)
L. E. J. Brouwer: Topologist, Intuitionist, Philosopher---How Mathematics is Rooted in Life (/isis/citation/CBB001500395/)

Book Dirk van Dalen; (2011)
The Selected Correspondence of L.E.J. Brouwer (/isis/citation/CBB532640423/)

Article Grattan-Guinness, Ivor; (1982)
Psychology in the foundations of logic and mathematics: The cases of Boole, Cantor, and Brouwer (/isis/citation/CBB000018400/)

Chapter Grattan-Guinness, Ivor; (1983)
Psychology in the foundations of logic and mathematics: The cases of Boole, Cantor, and Brouwer (/isis/citation/CBB000043997/)

Article Crilly, Tony; (2005)
Arthur Cayley FRS and the Four-Colour Map Problem (/isis/citation/CBB000651783/)

Book Scholz, Erhard; (1980)
Geschichte des Mannigfaltigkeitsbegriffs von Reimann bis Poincaré (/isis/citation/CBB000025527/)

Chapter Karl, Birgit; Schreck, Helmut; (1993)
Einführung des Begriffes “Topologie” in die Mathematik durch J.B. Listing im Jahre 1847 (/isis/citation/CBB000033912/)

Article Biggs, N. L.; (1983)
De Morgan on map colouring and the separation axiom (/isis/citation/CBB000001627/)

Article Ullrich, Peter; (2000)
The Poincaré-Volterra Theorem: From Hyperelliptic Integrals to Manifolds with Countable Topology (/isis/citation/CBB000740287/)

Article Epple, Moritz; (1998)
Topology, matter, and space. 1: Topological notions in 19th-century natural philosophy (/isis/citation/CBB000076384/)

Book Monastyrsky, Michael; (1987)
Riemann, topology, and physics. With a foreword by Freeman Dyson. Translated by James King and Victoria King. Edited by R. O. Wells, Jr (/isis/citation/CBB000034639/)

Article Moore, Gregory H.; (2008)
The Emergence of Open Sets, Closed Sets, and Limit Points in Analysis and Topology (/isis/citation/CBB000950203/)

Article Weil, André; (1979)
Riemann, Betti and the birth of topology (/isis/citation/CBB000008242/)

Article Scholz, E.; (1984)
Projektive und vektorielle Methoden in Culmanns graphischer Statik (/isis/citation/CBB000017868/)

Article Dugac, Pierre; (1985)
Le théorème des valeurs intermédiaires et la préhistoire de la topologie générale (/isis/citation/CBB000066740/)

Article German A. Duarte; (2017)
"Analysis Situs." A Survey of Spaces en devenir (/isis/citation/CBB765530267/)

Book Epple, Moritz; (1999)
Die Entstehung der Knotentheorie: Kontexte und Konstruktionen einer modernen mathematischen Theorie (/isis/citation/CBB000650718/)

Article Scholz, E.; (1982)
Riemanns frühe Notizen zum Mannigfaltigkeitsbegriff und zu den Grundlagen der Geometrie (/isis/citation/CBB000026041/)