[69] SOCIOECONOMIC INDICATOR CHANGES IN GHETTO RIOT TRACTS

current book titles dealing with blacks and race relations; about 25 % of these date from 1970 or later. But while the already mountainous literature on blacks may have expanded geometri-cally (Miller and Dreger, 1973: 1), pathways potentially leading to theoretically interesting as well as socially useful results still remain to be explored. One such pathway involves the analysis of the effects of black social protest, specifically those techniques used in the American 1960s. We already know a great deal about the causes of protest, about their dynamics, their frequency, and their participants. We know much less about their effects, about what actually happened as a result of the protests. Yet a knowledge of effects is essential to any person, scholar or activist or layman, wishing to plan, oppose, or simply understand social change