Revision history for entry Mayberry, John P. (1980). "A new begriffsschrift (II)" [MAYANB-2]

NB: for privacy reasons, few details are provided in public revision histories.
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2015-03-17T08:41:23updateSystem / admin update -
2015-02-07T07:15:25updateSystem / admin update -
2010-10-02T17:30:44updateSystem / admin update -