This series consists of files compiled by the Director-General containing his copies of reports and correspondence documenting the early history of the Operations Evaluation Department. Filed under Operations Evaluation History are copies of documents dated 1969 - 1974 that established the evaluation function in the Bank and the responsibilities of the OED and the Director-General. Included are copies of the DGO's correspondence with President Robert McNamara, the President's memoranda and circulars regarding OED and the evaluation function, and a 1974 General Accounting Office (GAO) proposal regarding Operations Evaluation. Filed under GAO Audits are copies compiled in June 1973 of documents dated 1967, 1969, and 1973 regarding audits of several international and government institutions in response to a bill to revise the functions of the Comptroller General of the U.S (the head of GAO). Filed under U.S. Congressional Staff Report on International Finance Institutions (IFIs) and DGO's Commentary are copies of documents dated 1975 - 1981 regarding a 1979 investigation of International Finance Institutions by the U.S. House Committee on Appropriations. DGO Mervyn L. Weiner reviewed a draft of the investigative report and prepared the Bank's response. That file also includes a 1981 GAO review of operations evaluation in the World Bank and Weiner's response to recommendations from that review. A file labeled OED 50: 'Learning About Development - Major Evaluation Findings' contains the DGO's copy of the draft of abooklet on OED prepared in connection with the Bank's 50th anniversary and OED's 20th anniversary. Filed with the draft are background materials used by Stokes Tolbert, one of the two consultants who drafted the booklet. Filed under Operation and Impact of the Bank's Evaluation System are various drafts of the 1989 OED booklet, Improving the World Bank's Performance: the Role of Operations Evaluation. Also in that file are copies of the Operational Directives chapters that concerned OED and copies of OED staff and DGO memoranda, articles, and presentations about OED and the Bank's evaluation system, 1975 - 1989.