Revision history for entry Carnap, Rudolf (1931). "Principia mathematica" [CARPM]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2014-01-23T21:23:32updateSystem / admin update -
2013-11-21T12:12:35updateSystem / admin update -
2013-08-22T09:41:19update
2011-12-03T00:44:44update