United Nations : Oil for Food Program provides lessons for future sanctions and ongoing reform ; statement of Joseph A. Christoff, ..., testimony before the Subcommittee on National Security, Emerging Threats, and International Relations, Committee on Government Reform House of Representatives United States Senate

United Nations : Oil for Food Program audits ; statement of Joseph A. Christoff, ..., testimony before the Permanent Subcommittee on Investigations, Committee on Homeland Security and Governmental Affairs, US Senate

Christoff, Joseph A., (2005)

United Nations : sustained oversight is needed for reforms to achieve lasting results ; statement of Joseph A. Christoff, ..., testimony before the Committee on International Relations, Subcommittee on Oversight and Investigations, House of Representatives

Christoff, Joseph A., (2005)

Rebuilding Iraq : stabilization, reconstruction, and financing challenges ; statement of Joseph A. Christoff, ..., testimony before the Committee on Foreign Relations, United States Senate

Christoff, Joseph A., (2006)