Duration of the second internship of Christiaan M. Kerkeling1912-06-07/..1912-06-07/..Duration of the second internship of Jacob Mïchel1912-06-07/..Duration of the second internship of Jacobus Arnoldus Cornelis Snabilië1912-06-07/..Duration of the third internship of Frederika SpierDuration of the second internship of Johannes Dirk Wijgh
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1912-06-07
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1912-06-07