4th Internship of Abraham Bromet1st Internship of Jacob Barber1st Internship of Salomon Barber2nd Internship of Meijer Barber1st Internship of Jacobus Kwitser1st Internship of Meyer Menist1st Internship of Salomon Posener1st Internship of Karel Barber1st Internship of Hijman Barber1st Internship of Meijer Barber4th Internship of Meijer Barber