This repository has some of the microfilms of materials in the National Archives (Washington, D.C.) that pertain to Russia/USSR. For more details, see Charles South, List of National Archives Microfilm Publications in the Regional Archives Branches (Washington: National Archives and Records Service, 1975). Original Russian-related materials not found in the National Archives in Washington include the files of the Office of Engineering Design and Construction in RG 142, Records of the Tennessee Valley Authority. These files, which contain reports, account books, blueprints, and correspondence, relate to the sign, procurement, and shipment of hydroelectric power plant equipment to the Soviet Union by the T.V.A. under the lend-lease agreement (1942–45). Soviet engineers and electrical specialists mentioned include M. V. Maylshev, A. L. Artemov, N. M. Andrienko, V. N. Elfimov, A. G. Boiko, and N. P. Samsonov. Preliminary inventory.