16 Instructional or teaching material (except apparatus), namely, educational materials such as photocopies, case studies, syllabuses, files, pamphlets; stationery; paper, cardboard, posters, notebooks, calendars, printed matter, newspapers, books, periodicals, albums, prospectuses, printed publications, journals, magazines, catalogs, manuals, brochures, guides, booklets, tests (printed), photographs; paper or cardboard stands for photographs; printed matter; writing cases (stationery)