16 Paper, cardboard; printed matter, namely, printed guides, printed instructional material, printed informational and educational cards, printed leaflets, printed brochures in the field of science, music, art, business management, business mediation and negotiation, communications, and software; newspapers; printed periodicals in the field of science, music, art, business management, business mediation and negotiation, communications, and software; printed books in the field of science, music, art, business management, business mediation and negotiation, communications, and software; bookbinding material, namely, bookbinding strips, bookbinding cloth, bookbinding tape, bookbinding wire, and bookbinding glue; photographs; stationery; adhesives for stationery or household purposes; artists' supplies, namely, artists' pens, artists' pastels, and artists' pencils; paintbrushes; typewriters and office requisites, except furniture, namely, binders for office use, envelope sealing machines for offices, and office hole punchers