16 Printed matter and printed publications, namely, newspapers, newsletters, magazines, periodicals, books, booklets, pamphlets, and printed instructional, educational and teaching materials in the field of finance, investments and securities; playing cards; calendars; decalcomanias; printed charts; pictures; posters; stickers; all of the foregoing not in the field of sports information services and all of the foregoing to exclude computer software and hardware for operating computer networking equipment, and computer software and hardware product manuals, data sheets, and handbooks, all relating to the operation of computer networking equipment