The series includes chronological correspondence, memoranda, and other records created or received while Geoffrey Lamb served as Adviser for the Strategic Planning Division (SPRSP) and the Policy Development Unit (PRDPD). SPRSP records prior to July 1990 include correspondence and memoranda primarily between Lamb, Strategic Planning and Review Department (SPR) Director Alex Shakow, Senior Vice President for Policy Planning and Research (SVPPR) David Hopper, staff from departments within the Development Economics Vice Presidency (DEC), and staff from the Regional departments. The correspondence and memoranda focus on the following topics: review of various policy papers by SPRSP; review of Bank's Strategic Agenda; preparation and review of speech prepared for Bank President Barber Conable for the Bank's Annual Meeting; joint organization of SPR and International Economics Department (IEC) seminar; re-organization of private sector development functions and personnel in the Bank; Bank strategy and economic policy reform in Eastern Europe; and hiring of consultants.

The SPRSP correspondence and memoranda after July 1990 transition into when SPR was replaced by the PRDPD, and the parties involved in this transition. The correspondence and memoranda of SPRSP and PRDPD after July 1990 are primarily between the following parties: Lamb; PRD Director Paul Isenman; Senior Vice President Wilfred Thalwitz of the Policy, Research and External Affairs (PRESV); PRDPD staff; and members of the Policy, Research and External Affairs (PRE) Committee. The correspondence and memoranda discuss review, comments, and approval of publication of numerous policy papers and Bank annual publications by PRDPD and PRE. Also included are records related to working groups, task forces, and symposiums participated in, or jointly organized with PRDPD, including task forces focused on such topics as governance and military expenditure. Incoming and outgoing correspondence sent and received by Lamb from individuals and organizations external to the Bank are also included. The correspondence also consists of sub-files with the following types of records: copies of faxes, telex messages, and cables sent to Lamb; travel request records; leave request records; expense reports; timesheets; and performance review records.