Handbook for the ordnance, M.L. 2- inch Mortar, Marks II*, II***, VIII, VII A, VII*, VII**, VIII and VIII*. WO 810 Handbook for the ordnance M.L. 3 inch Mortar, Mark II on mounting 3 inch Mortar, Mark I. WO 811 Maintenance Manual for the M.L. 2 inch, M.L. 3 inch and S.B. 4.2 inch Mortars. WO 1645
