Mortier 4.2-inch M30 - Koninklijke Landmacht Voorschrift, VS 9-571 Small arms training : Mortar (2-inch) / War Office. Army Council. Vol. I - Engeland Voorschrift, 26/GS Publications/146 Small arms training : Mortar (2-inch) / War Office. Army Council. Vol. I - Engeland Voorschrift, 26/GS Publications/1157 Small arms training : / War Office. Army Council. Vol. I. Pamphlet no. 9: Mortar (3-inch) : (India) Small arms training : Mortar (3-inch) : (India) / War Office. Army Council. Vol. I Identification list for ordnance, S.B. 4.2-inch mortar mark 2 on mounting, 4.2 inch S.B.mortar mark 3 also plate, base, mobile 4.2-inch s.b. mortar, mark 1 Veld- en basisonderhoud van de mortier 4.2-in M30, affuit M24 en affuit M24A1 - Koninklijke Landmacht Voorschrift, Voorlopige Technische Handleiding, VTH 9-1571 Instructions for Practice 3 Inch Mortar - Engeland Voorschrift Identification List for Ordnance M.L. 2 inch Mortar. Mks. 2*, 2**, 2***, 7,7** and 8*. WO 2238 - Engeland Voorschrift 26/Pubs/6298 Aids to Weapon Training some ideas on improvisation Small Arms Training. Volume I, Pamphlet No. 8, Mortar (2-inch) 1942 - Engeland Voorschrift Small Arms Training. Volume I, Pamphlet No. 8, Mortar (2inch), 1942 - Engeland Voorschrift