The sub-series contains the working files for special studies generated by the Infrastructure and Energy Division (OEDD3) and the files of staff members Basil P. Coukis and Andres Liebenthal who worked on special studies while in OEDD3. Most of the special studies files are dated 1991 - 1993 and concern the study, The World Bank and Sub-Saharan Africa: An OED Review of Bank Assistance for Transport Corridors. Also included are: files for OEDD3's contribution to the Bank/Mexico Relations Study, a country relationship study completed in fiscal year 1994; a final copy of the OEDD3 report Rural Roads Maintenance - Review of Completed World Bank Operations (June 1992); and a March 1993 facsimile message from Senior Evaluator Jan de Weille to the Resident Mission in Jakarta, Indonesia, concerning de Weille's forthcoming mission to conduct an audit for an impact study of the Tanjung Priok Port project (Loan 13337).

The Coukis files concern four special OED studies on which Coukis worked from 1987 to 1993: the Senegal Country Study; a review of World Bank lending for natural gas; the Sub-Saharan Africa Transport Corridors study; and a review of World Bank experience in the Education Sector in which Coukis worked when he was in the Agriculture and Human Relations Division (OEDD1). The Coukis files also contain copies of a Project Performance Audit Report, Staff Appraisal Reports, and published articles dated as early as 1983.

The Liebenthal files primarily contain correspondence and e-mail exchanges dated 1996 - 1999concerning Liebenthal's role as the Task Manager for the August 1996 OED desk assessment of fifty Bank-financed large dams, The World Bank's Experience with Large Dams: A Preliminary Review of Impacts. The correspondence is with OED and other Bank staff, staff of the World Conservation Union (IUCN), and representatives of major stakeholder groups in the global large dams debate. Correspondence contains: comments regarding the 1996 OED large dams assessment; planning for and response to the April 11-12, 1997, international workshop on the Future of Large Dams co-hosted by the World Bank and the World Conservation Union in IUCN headquarters in Gland, Switzerland; comments on publications by Patrick McCully, the Campaigns Director of the International Rivers Network; and Bank/IUCN efforts to establish the International Commission of Experts on Large Dams (ICELD) to provide an independent review of the economic and technical performance of large dams. Some of Liebenthal's correspondence concerning his OEDD3 workon dams was sent after his assignment to the Sector and Thematic Evaluations Division (OEDST).

The Liebenthal files also contain a number of published articles and studies dated 1985 - 1995 and relating to dams. Included are: a copy of the August 1996 OED assessment; a copy of Silenced Rivers and Damming the Rivers: The World Bank's Lending for Large Dams both by Patrick McCully; and a compilation of documents provided as background material for the attendees of the April 1997 workshop in Switzerland.