Revision history for entry Pratt, Vernon (1978). "The Philosophy of the Social Sciences" [PRATPO-4]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-01-26T19:03:51updateSystem / admin update -
2014-01-18T01:59:00updateSystem / admin update -
2009-01-25T07:48:39updateSystem / admin update -