1910-07-19/..1910-07-19/1913-03-01Duration of the second internship of Hendrik VerweijDuration of the second internship of Jan Hendrik Sodenkamp1910-07-19/1914-10-14Duration of the third internship of Johannes Antonius van Zoolingen1910-07-19/1912-04-26Duration of the migration of Jacob Monnickendam to AntwerpenDuration of the membership of ANDB by Elias van der Molen
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1910-07-19
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1910-07-19