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Archival description
Congresses, Conferences, etc.
Congresses, Conferences, etc.
Lectures and Teaching Materials
Lectures and Teaching Materials
Celebrations of Anniversaries
Celebrations of Anniversaries
Supply and Requests of Publications by Individuals, etc.
Supply and Requests of Publications by Individuals, etc.
United Nations Organization
United Nations Organization
World Meteorological Organization
World Meteorological Organization
Meeting of the Mixed Working Group on the Coordination of Transport Costs and Accounting System
Meeting of the Mixed Working Group on the Coordination of Transport Costs and Accounting System
Universal Postal Union (UPU)
Universal Postal Union (UPU)
United Nations Research Institute for Social Development (UNRISD)
United Nations Research Institute for Social Development (UNRISD)
Transport Costs and Accounting System Inside Europe
Transport Costs and Accounting System Inside Europe