Das Drama der Geschichte. Die Geschichtsphilosophie des jungen Schelling // [The Drama of History. The Philosophy of History of the Young Schelling] Christophe Bouton Rolf Ahlers (bookAuthor) In: "System und Kontext". Pp 525-544. 2004 2 substantive philosophy of history idealism
The Dialectic in Hegel's Philosophy of History Robert Perkins (editor) Rolf Ahlers In: "History and System: Hegel's Philosophy of History". 1984 2 substantive philosophy of history idealism
The Overcoming of Critical Theory in the Hegelian Unity of Theory and Praxis Rolf Ahlers In: "Clio-a Journal of Literature History and the Philosophy of History". Vol 8. Pp 71-96. 1978 2 substantive philosophy of history