Social support systems -- See Social networks Here are entered works on the system of personal relationships in which an individual is involved, including neighborhood, friendship, kinship, occupational and economic connections, etc. --subdivision Social networks under classes of persons and ethnic groups
Social systems -- See Also Social institutions Here are entered works on interrelated systems of social roles, norms, or processes organized for the satisfaction of an important social need or function, e.g., family, economy, education.
Social theory -- See Sociology Here are entered works on sociology as a branch of learning. This heading may be divided geographically for works on this branch of learning in a specific place. Works on the social conditions of particular regions, countries, cities, etc., are entered under the name of the place subdivided by Social conditions. --subdivision Sociological aspects under types of institutions, e.g. Universities and colleges--Sociological aspects