Evaluation studies for 68 sets of social studies curriculum project materials developed in the sixties and seventies are identified. The reports include data from actual use of K-12 materials in teacher training and classroom situations. Three major data bases were searched in the spring of 1976 to identify existing evaluation studies: the ERIC collection, Dissertation Abstracts International, and the curriculum materials background collection of the Social Science Education Consortium's Resource and Demonstration Center. The document, arranged alphabetically according to the title of the materials, provides basic information including the author, developer, editor; the publisher and address; the publication data; the grade level; and the subject area of the materials. Following this descriptive information the evaluation studies on the materials are listed alphabetically by author. Basic bibliographic information is given for each evaluation study followed by an annotation. Each annotation contains a statement of the purpose of the study, including the variables that were examined; a description of the size and nature of the sample used in the study; and an indication as to whether the study was summative or formative. No evaluation studies were found for about one-third of the materials. These studies are identified with a statement "No evaluation reports available" to save the user who might be interested in such studies the effort of a fruitless search. (Author/JR)