Revision history for entry Hegel, G. W. F. (1987). "Philosophical dissertation on the orbits of the planets (1801), preceded by the 12 theses defended on August 27, 1801" [HEGPDO]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2014-01-22T23:10:20updateSystem / admin update -
2013-12-09T03:05:58updateSystem / admin update -
2012-03-18T05:47:37updateSystem / admin update -