401
402
403
by Neuhaus, Volker
Published 2012
Published 2012
Book
404
405
Published in Bernard-Bolzano-Gesamtausgabe
(1997)
Book
406
408
by Huneke, Douglas K.
Published 2002
Published 2002
Book
409
410
411
412
414
Article
415
417
by Ziegler, Edda
Published 1997
Published 1997
Book
418
419
420