Otto Hölder


, 2013a, 'Intuition and reasoning in geometry: inaugural academic lecture held on july 22, 1899. with supplements and notes', Philosophia Scientiae 17 (1), 15-52.

, 2013b, 'Review of Graßmann, Robert, Theory of Number or Arithmetic in Strict Scientific Presentation by Strict Use of Formulas (1891)', Philosophia Scientiae 17 (1), 57-70.

, 1924a, Die mathematische Methode: Logisch erkenntnistheoretische Untersuchungen im Gebiete der Mathematik, Springer, Berlin.