ISBN-13: 9781409414605 / Angielski / Twarda / 2010 / 360 str.
ISBN-13: 9781409414605 / Angielski / Twarda / 2010 / 360 str.
Translated from the German from Groote's edition of 1860 and edited with notes and an introduction This is a new print-on-demand hardback edition of the volume first published in 1946.