Media appendix 27 August 2014 Johanna Hermina Hammelburg-van Gelderen By: Marie-José Keijzers Johanna Hermina Hammelburg-van Gelderen Bron: Stadsarchief Amsterdam Marktvergunning By: Marie-José Keijzers With: Johanna Hermina Hammelburg-van Gelderen All rights reserved All rights reserved