Bernard Bolzano Gesamtausgabe, Bd. Band 5,1, Bernard Bolzano Gesamtausgabe / Reihe III: Briefwechsel. Band 5,1: Briefe an Josef Sommer und andere

Bolzano's letters to his former student Josef Sommer are, apart from the letters to Michael Josef Fesl und Frantiek Píhonský, the third largest collection of letters in Bolzano's literary estate. The letters to Sommer show the progress of his work on the 'Wissenschaftslehre' (Theory of Science) and the 'Größenlehre' (Theory of Quantities), among other things. This volume also contains letters to the mathematician Johann Friedrich Christian Werneburg, to his former students Florian Werner, Václav Alois Svoboda and Johann August Zimmermann as well as to the educators Franz Carl Hillardt and his friends Antonín Karel Pibyl, Jan Pospíil and Franz Pistl.