The field of social work has witnessed a development from the simple form of general case working service to a highly differentiated system of specialized groups and now, in increasing measure, back to a generic program. Multiple agencies that have arisen in order to attend to the needs of the community could be merged to avoid duplicating services. If specialized agencies have any professional validity at all in the case work field, it is because they are consciously experimenting with different groups and methods, with a view to making the results of the experiments available to us all.
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Taylor, Maurice. Coordinated Case Work Services - Functional Realignments in Jewish Case Work Service. The Jewish Social Service Quarterly. Jewish Communal Service Association of North America (JCSA),National Conference of Jewish Social Service. September 1937: