2nd Internship of Jurriaan H.B. Breems1st Internship of Johannes Hendrikus Breuker1st Internship of Jacques Dirksz1st Internship of Otto Herman Heins2nd Internship of Mozes Aäron Hartog1st Internship of Isaac Hendrix1st Internship of Isaac Bak1st Internship of Gerardus Johannes Lustig1st Internship of Joseph van den Berg1st Internship of Izak Beugeltas1st Internship of Gerardus Johannes Adrianus Oeters2nd Internship of Salomon Nabarro1st Internship of Louis Metz3th Internship of Maurits Pezarra1st Internship of Hartog Pront2nd Internship of Hartog Pront1st Internship of Heere Schappert1st Internship of Lodewijk Pieter Schappert3th Internship of Joost Swaab2nd Internship of Theodorus Everardus Veerkamp2nd Internship of Christiaan Pieter Stolk1st Internship of Frederik Touber1st Internship of Mordechai Sons1st Internship of Hendrikus Cornelis Willem van Wijk2nd Internship of Klaas Wessels2nd Internship of Isidore Snijders1st Internship of Johannes Wilhelmus Wessels1st Internship of Charles Cosin Hélén van der Wal1st Internship of David de Vries