paper clip holders; page holders; loose-leaf binders; binder clips; binders [office supplies]; loose leaf binders; binders for the office; ring binders; dividers for ring binders; protective book covers; protective covers for sheets of paper and pages of books; document covers; account books; index books; business record books; textbooks; card files; paper stock; paper stock [printing paper]; binding materials for books and papers; binding strips [bookbinding]; book binders; bookbinding material; bookbinding materials; bookbinding articles; book-cover paper; photo albums; albums for photographs; photograph albums; art pictures; stationery and office requisites, except furniture; adhesives for stationery or household purposes