In memoriam - keeping things complicated - reflections on the contributions of James R. Greenley, Sue E. Estroff. Part 1 Social networks within and between organizations: leadership structures in case management teams - an application of social network analysis, Cynthia M. Webster et al; alternative strategies for creating systems of care for children - a network analysis of parent-designed and provider-designed service arrangements, Jason W. Beckstead et al; a network approach to mental health treatment of children - a sectoral explanation for system fragmentation, Katherine L. Woodard and Patrick Doreian; measuring change in mental health services co-ordination under managed mental health care for children and adolescents, Craig Anne Helfinger and Denine Northrup; network evolution to a system of managed care for adults with serious mental illness - a case study of the Tucson experiment, Keith G Provan et al; the impact of managed care on service systems for persons who are homeless and mentally ill, Matthew C. Johnsen et al; method for analyzing and comparing social structure in networks of mental health organizations, Michael O. Calloway et al. Part 2 Social networks and interpersonal relationships: a family network-based model of access to child mental health services, E. Jane Costello et al; gender, social networks and quality of life among young adults with schizophrenia, Beth Angell and Mary Ann Test; social networks, influence processes, HIV-risk, behaviour among intravenous drug users, Mark Tausig; the social network context of caregiving in mental illness, Eric R. Wright; predicting consumer consent to interview primary kinship network members, Richard Tessler et al.