Duration of the second internship of Gerardus Johannes Loohuis1910-08-29/..1910-08-29/1914-03-06Duration of the third internship of Samuel AbrahamsDuration of the third internship of Joseph SpeijerDuration of the membership of ANDB by Salomon KonijnDuration of the membership of ANDB by Samuel Neeter
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1910-08-29
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1910-08-29