Instructions for practice : Siege artillery Gunpowder Factory, Waltham Abbey, Essex : an RCHME survey / [Royal Commission on the Historical Monuments of England ; projectleader Wayne Cocroft ; ed. Paul … Royal Gunpowder Factory, Waltham Abbey : plans and illustrations / Royal Commission on the Historical Monuments of England Husarenregiment Königin Wilhelmina der Niederlande (hannoversches) nr 15