16 Paper and cardboard; printed matter, namely, textbooks in the field of language instruction; printed publications, namely, textbooks in the field of language instruction; bookbinding material for creating hardcover books, namely, book covers, crack-and-peel binding paper, reinforcement strips, peel-and-stick labels, stapler and staples; printed photographs; stationery and office requisites, except furniture, namely, notebooks; pens; pencils; envelopes; rulers; paperclips; highlighters; adhesives for stationery or household purposes; drawing materials and materials for artists; printed instructional and teaching materials in the field of language instruction; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks; series of printed books in the field of language instruction; printed educational publications, namely, teaching manuals in the field of language instruction; printed educational textbooks and printed materials, namely, student workbooks, catalogs, teaching manuals, printed instruction materials and charts and booklets for designed for students seeking to learn another language