Studies of cancer in migrant populations, D.M. Parkin; Italian migration - an overview - M. Geddes; cancer in Italy - incidence and mortality, M. Geddes and D. Balzi; study objectives and protocol, D.M. Parkin; statistical methods, M. Khlat and D. Balzi; distribution of risk factors in Italy and in the host countries, E. Buiatti and B. Sorso; Canada, D. Balzi et al; the United States of America, L. Bernstein et al - Connecticut 1973-85, Los Angeles County 1972-86, San Francisco 1973-85; Argentina, E. Matos et al; cancer mortality in Italian migrants to Sao Paulo, Brazil; Uruguay, E. De Stefani; Australia - mortality study, D. Balzi et al; New South Wales, Australia, M.S. Coates et al; France, C. Bouchardy; Geneva, Switzerland, C. Sarti et al; England and Wales - mortality, J. Head et al; England and Wales - incidence - A. Swerdlow; Scotland, R. Black; summary of the results by site, D. Balzi et al - oral cavity and other pharynx, nasopharynx, oesophagus, stomach, colon, rectum, liver, gallbladder, pancreas, larynx, lung, melanoma, breast (female), uterus, ovary, prostate, testis, bladder, nervous system, thyroid, Hodgkin's disease, non-Hodgkin's lymphoma, leukaemia.