, 1860 2 works bound together: I.KLEUTGEN (Münster, Theissingschen Buchhandlung, 1860) 913pp. [this concerns the first edition of the first part of 'Philosophie der Vorzeit', second part was edited in 1863], II.MICHELIS (Freiburg im Breisgau, Herder'sche Verlagshandlung, 1861) 77pp., cart.binding with brown leather back (title in gilt)