EUROSTAT-European Commission, Directorate-General for Regional Policy
1994

ONU-United Nations, ESCAP-Economic and Social Commission for Asia and the Pacific
1968-

United Nations, Economic Commission for Africa
1972-

OECD-Organisation for Economic Co-Operation and Development
2009-

EUROSTAT-Commission Européenne, Direction Générale des Politiques Régionales
1993-2002

Société des Nations, Service d'Études Économiques
1927-1943

United Nations, Economic Commission for Africa
1972-1989

ed. Office Permanent de l''Institut International de Statistique ; préface H. W. Methorst
1916

ONU-United Nations, Department of Economic and Social Affairs
1949-

Voivodship Statistical Office in Warsaw
1993

OECD-Organisation for Economic Co-Operation and Development
2005-

ONU-United Nations, Department of Economic and Social Affairs, Statistics Division
1993-