Admission of Cornelis Johannes de Vries into workshop KeuneAdmission of Franciscus Keune into workshop KeuneAdmission of Petrus Cornelis van Leeuwen into workshop KeuneAdmission of Nicolaas Ger. Kuulkers into workshop KeuneAdmission of Gerardus P.L. de Vries into workshop KeuneAdmission of Gerrit Panhuise into workshop KeuneAdmission of Johan Pieter de Leth into workshop Keune