Kant und der Gottesgedanke: eine Interpretation. Bände I–II. [2 volumes].

Edited by Klaus Horneffer, grandson of the author. Based on lectures held in Gießen between 1918 and 1935. Published as volume 104 in the series 'Philosophische Texte und Studien'. Volume I covers Kant’s scientific writings and the 'Critique of Pure Reason'. Volume II addresses the 'Critique of Practical Reason', 'Critique of Judgment', 'Religion within the Bounds of Bare Reason', and minor texts.