USA. Relocation of older workers in urban areas. Statistical tables of relocated population. Financial aspects difficulties, sources of income (social security, old age benefit and disability benefit), housing needs and programmes (creation of retirement hotels and villages, social services), social status, effects of relocation (reduction of income, mental stress). Bibliography at the end of each chapter. Labour mobility.

Some vols. include supplemental journals of "such proceedings of the sessions, as, during the time they were depending, were ordered to be kept secret, and respecting which the injunction of secrecy was afterwards taken off by the order of the House."