1911-07-01/1913-01-14Duration of the third internship of Abraham J. de Hoop1911-07-01/..1911-07-01/..1911-07-01/1919-04-241911-07-01/..Duration of the second membership of ANDB by Casper Pieter ReijndorpDuration of the membership of ANDB by Johannes Franciscus SchmitzDuration of the membership of ANDB by George Antonie BurgerDuration of the membership of ANDB by George Antonie Burger
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1911-07-01
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1911-07-01