16 Printed matter namely, books, financial reports, indexes, leaflets, brochures, pamphlets, catalogues, instruction sheets, manuals, magazines, newsletters, instructional teaching materials in the field of finance, banking, the environment, and economic and investment services; Printed publications namely, books and booklets concerning the development of third world nations; Printed material namely, financial reports, indexes, leaflets, brochures, pamphlets, catalogues, instruction sheets, manuals, booklets, magazines, newsletters, instructional teaching materials in the field of finance, banking, the environment, and economic and investment services; Printed materials and publications, namely, reports, books, magazines, indexes, leaflets, brochures, pamphlets, catalogues, instruction sheets, manuals, booklets, newsletters in the field of finance, banking, the environment, and economic and investment services; Publications, namely, booklets and books concerning the development of third world nations