The series includes chronological correspondence, memoranda, and other records created or received by Geoffrey Lamb while serving as Economist for the Development Research Department (DRD). Records include incoming and outgoing correspondence and memoranda between Lamb, the DRD Director John Duloy, DRD staff, and staff from other Bank units, including the Development Economics Department (DED), the Projects Advisory Staff (PAS), the Policy, Planning, and Program Review Department (PPR), and economic staffin Bank Regions. The correspondence and memoranda primarily concern proposed country economic research and studies, seminar and workshop participation, and DRC Work Program proposals. Incoming and outgoing correspondence are also included from individuals and organizations external to the Bank. The series also includes travel and leave request records and back-to-office reports (BTOs).