Patent 3731634 Waterproofing mortair ammunition (1973)
Patent 4155285 Mortars for firing smoke candles and explosive shells (1979)
Patent 4699057 Mortar shell time fuse (1987)
Patent US 6481354 B1 Mortar fuse with a rotatable fan (2002)
FM 17-27. Armored force. Field Manual 81-mm mortar squad and platoon
FM 23-90. Basic Field. Manual 81-ΠΌΠΌ Mortar M1
Handbook of the 9.45-inch Trench Mortar Materiel
FM 23-85. Field Manual 60-mm Mortar, M19
FM 23-90. Field Manual Mortars
FM 23-91. Field Manual Mortar gunnery
Handbook of the M.L. Strokes 3-Inch Trench Mortar Equipments
ORD 9 SNL A-43. List of all service parts of Mortar, 60-MM, T18E6, M2 and M19, mount M5
R.A.R.D.E. Memorandum 8_67 Bore pitting in 81mm mortar barrels
Technical Report ARLCB-TR-77031 Erosion in 81mm mortar tubes
Patent 1399243 Trench mortar (1921)
Patent 1471063 Trench mortar (1923)
