This directory lists 111 curriculum development projects in social studies and social science education at precollege levels. For each entry information is presented concerning the project director, name and address, the purposes of the project, a summary of what the project has done or intends to do, the grade level, the subject area, and the published material. Often an address is included from which published material or further information may be obtained. Projects are numbered in alphabetical order by title. An alphabetical index of authors is provided. (NH)