Revision history for entry Ferre, Frederick (1993). "Persons in nature: Toward an applicable and unified environmental ethics" [FERPIN]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-04-05T03:49:55updateSystem / admin update -
2014-03-30T10:23:49updateSystem / admin update -
2014-01-24T12:15:42updateSystem / admin update -
2011-05-31T16:02:47updateSystem / admin update -
2010-10-28T13:54:16updateSystem / admin update -
2010-10-02T21:38:42addSystem / admin update -