'Stability, change and development in the British population: proposal for new data collection in the 1958 and 1970 British birth cohorts' Comprises- - two versions of the proposal prepared by the SSRU; a submitted version dated August 1997 and a revised version dated January 1998 - correspondence regarding the future of the studies, the setting up of a resource centre for longitudinal studies and general aspects of funding - versions of survey timetables and costings - reports to the ESRC - copy of a proposal for the next round of data collection on 2003-2004 1997-2003