Revision history for entry Heidel, W. A. (1906). "Qualitative Change in Pre-Socratic Philosophy" [HEIQCI]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-01-18T09:33:46updateSystem / admin update -
2013-12-09T00:48:07updateSystem / admin update -
2012-10-02T14:41:55updateSystem / admin update -
2012-10-02T14:41:55updateSystem / admin update -
2012-10-02T14:41:55updateSystem / admin update -
2012-03-22T04:20:18updateSystem / admin update -
2012-03-21T16:42:24addSystem / admin update -