Paper and cardboard, namely, file cases in the nature of paper file jackets, file folders, albums for photographs, slides and histological sections, advertisement cards, almanacs; printed matter, namely, books, manuals, booklets, leaflets, periodicals, newsletters, catalogs, magazines, journals, brochures, informational flyers, handbooks, paper signs, prospectuses, pamphlets, letters, pre-printed forms, photographs, and biological samples for use in microscopy in the field of medical technolo...