found: Genre terms : a thesaurus for use in rare book and special collections cataloging, via WWW, July 24, 2014(Posters. BT Broadsides; Illustrated works)
found: Reitz, J.M. ODLIS : online dictionary for library and information science, via WWW, July 24, 2014(poster: A large single sheet of heavy paper or cardboard, usually printed on one side only, with or without illustration, advertising a product/service or publicizing a forthcoming event (meeting, concert, dramatic performance, etc.). Posters are intended to make an immediate impression from a distance when displayed on a bulletin board, kiosk, wall, or other suitable surface. Synonymous with placard)
found: Görlach, M. An alphabetical list of English text types, in Text types and the history of English, c2004:p. 64 (poster: notice displayed in public place as an announcement or advertisement)
found: LCSH(Posters. UF Picture posters)
found: Art & architecture thesaurus online, Nov. 17, 2014(posters. UF bills (posters). Notices, usually decorative or pictorial, intended to be posted to advertise, promote, or publicize an activity, cause, product, or service; also, decorative, mass-produced prints intended for hanging. For small printed notices or advertisements intended for distribution by hand, use "handbills.")
found: Thesaurus for graphic materials, via WWW, Nov. 17, 2014(Posters. Single or multi-sheet notices made to attract attention to events, activities, causes, goods, or services; also, purely decorative posters. For posting, usually in a public place; chiefly pictorial. Intended to make an immediate impression from a distance. BT Pictures. RT Broadsides; Ephemera; Signs (Notices))