Here is a nonexhaustive list of some of the things that may be copyrightable.
Fiction nonfiction manuscripts, music, computer programs, websites, books, poetry contributions to collective works, dissertations, theses, advertising copy, reference works, reports, bound or loose leaf volumes, secure tests, speeches, single pages of text, online works, textbooks, compilations of data or other literary subject matter, directories, pamphlets, catalogs, tracts, brochures, games, posters, commercial prints, labels, drawings, paintings, murals, sculptures, photographs, photomontages, bumper stickers, decals, models, artwork applied to clothing or to other useful articles, dolls, toys, patterns for sewing, knitting, crochet, needlework, artificial flowers and plants, mosaics reproductions, such as lithographs, collotypes, needlework and craft kits, cartoons, comic strips, holograms, computer and laser artwork, cartographic works, original prints, fabric, wallcovering designs, puzzles, enamel works, record jacket artwork or photography, greeting cards, postcards, stationery, stained glass designs, etc.