TY - BOOK ED - United States. ED - United States. TI - Combined infantry and cavalry drill regulations for automatic machine rifle, caliber .30, model of 1909, AV - UF620 .U6 30-in. 1917 PY - 1917/// CY - Washington PB - Govt. Print. Off. KW - Machine guns N1 - At head of title: War Dept. Office of the Chief of Staff; On verso of t.-p.: War Dept., Document no. 488 ER -