Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume III : Part IX Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume II : Parts IV, V, VI, VII, and VIII Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume I : Parts I, II, and III Grammofoonplaat categorie USA - Army Bands Howitzer, 105-mm, M2A1; Carriage, Howitzer, 105-mm, M2A1 and M2A2 technical manual 105-mm howitzer M2A1, 105-mm howitzer recoil mechanisms M2A1, M2A2, and M2A3, 105-mm howitzer carriages M2A1 and M2A2, and 105-mm howitzer mounts M4 and M4A1