This report by the Mississippi Library Commission (MLC) describes its organization and activities and also library developments in Mississippi under the Library Services and Construction Act for the fiscal year 1973. The long range goals are listed as well as the resources development and services which the MLC has undertaken. The recent staff reorganization is described and an organization chart of the MLC is provided. The work load statistics, organization and activities of the centralized technical processing center are presented. Some of the services of the MLC are: collection development assistance for public libraries, information services to organizations and individuals and library service to institutionalized, handicapped and disadvantaged persons. Special projects include the Sunflower/Boliver County Library Project which cooperated with other agencies to provide service to the disadvantaged through Adult Education, Neighborhood Serivce Centers, Head Start, a MAILIBRARY program and a library internship program. The status of library construction in Mississippi is outlined. Detailed cost and funding information is given for each activity as well as population characteristics where applicable. (JG)