Department of Munitions Requirements and Statistics files, 1917, (fols. 1-23) requests for gas, phosphorous, and smoke shells, availability of ammunition for 4" Stokes mortars, Jan.-Feb. 1917; (fols. 24-32) munition imports statistics, Jan.-Mar. 1917; (fols. 33-426) 'Munitions output 1917', reports and statistics on munitions production; (fols. 427-478) 'Weekly reviews of statistics of munitions output ', 5 May, 2 June, 7 July 1917; (fols. 479-519) 'India and Australian Concentrates', 1917,…