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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2015-02-06T05:37:55updateSystem / admin update -
2014-04-04T22:49:55updateSystem / admin update -
2014-03-30T05:23:49updateSystem / admin update -
2014-01-24T07:15:42updateSystem / admin update -
2011-05-31T11:02:47updateSystem / admin update -
2010-10-28T08:54:16updateSystem / admin update -
2010-10-02T16:38:42addSystem / admin update -