Background and instructional materials acquired since the February 1967 supplement are listed in this supplement to the "Bibliography of Materials" issued by the Russian Center for Secondary Schools. The majority of the items are in English, and all are available from the Center on a 3-week loan to secondary school teachers of Russian. Major sections are devoted to history and literature. There are briefer sections on language, civilization, communications, political ideologies, economics and law, education, geography, government and politics, mathematics and science, the arts and recreation, and audiovisual aids. Bibliographies, journals and periodicals, and a few listings for folklore, foreign relations, and philosophy and religion are also included. (AF)