"§ 2.Wert der Logik". Logik: Wiener Logikkolleg 1894/95, edited by Venanzio Raspa, Berlin, Boston: De Gruyter, 2016, pp. 13-17. https://doi.org/10.1515/9783110345933-004
"§ 2.Wert der Logik" In Logik: Wiener Logikkolleg 1894/95 edited by Venanzio Raspa, 13-17. Berlin, Boston: De Gruyter, 2016. https://doi.org/10.1515/9783110345933-004