Eric Walker added Housing in Berlin and Housing in the United Kingdom to Housing in Europe, and added Housing in Europe to Europe and Urban planning, real estate and housing markets

Eric Walker added a number of links to Housing in the United Kingdom, and added Housing in the United Kingdom to United Kingdom and Housing in Europe

Eric Walker added a number of topics and a number of links to Urban planning, real estate and housing markets, and added Urban planning, real estate and housing markets to Urban planning, layout and development and Economics

Eric Walker added a number of links to Housing in Berlin, and added Housing in Berlin to Housing in Europe and Berlin

Eric Walker added a number of topics and a number of links to Europe, and added Europe to Continents