Ministry of Reconstruction papers concerning the supply of raw materials, coal and energy resources, 1917-1921, (fols. 1-19a) printed papers of the Coal Conservation and Electrical Power Supply subcommittees of the Reconstruction Committee, 1917-1918; (fols. 19b-167) papers of Sir Archibald Williamson's Committee on Electrical Power Supply, including discussion of Ecuador oil fields and power stations, May.-Nov. 1918, and (fols. 101-167) discussions of coal and mines, 1918; (fols. 168-241)…