Handbook of the Gun, Machine, Polsten, 20 mm. MK. I. WO 808 - Engeland Voorschrift 26/Manuals/3351 Instruction for Armourers WO. 678 - Engeland Voorschrift 57/Maintenance/1147 Machine Gun Coammanders. Memory Card for Platoon Commanders, Platoon Serjeants, Section Commanders and Section Corporals - Engeland Voorschrift Machine Gun Compagnie & Platoon Commander's Verbal Orders.Comprising Orders for Attack, Defence & Withdrawal - Engeland Voorschrift