Duration of the third internship of Jan Eysten1911-09-18/..Duration of the second internship of Karel Frederik van der HeydenDuration of the second internship of Petrus Jacobus KropDuration of the third internship of Casper Reyndorp1911-09-18/1914-06-30Duration of the second internship of Cornelis VersluijsDuration of the fifth internship of Mozes Wetschrijver
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type
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1911-09-18
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1911-09-18