Included in the collection are photographs, production notebooks, scrapbooks, playbills, oral histories and handwritten correspondence. Some shows sell autographed Playbills, posters, and props. Braille, large print, and audio playbills are available for all productions. The gatefold interior reproduces in facsimile tickets, playbills and posters from the group's career. By 1884, advertisements had become a standard feature in playbills. A parody called "Clar de Track" appears in some playbills and songsters. Playbills tell us, broadly, what Juba did during his performances. The British Museum contained a valuable collection of 600,000 playbills from across Britain and abroad. In early November 1841, the playbills announced Dan Emmett as a performer. The playbills were housed in the Department of Engraving, Illustration and Design. The show's playbills are dated 1924 and list her as the star "La vedette rea". While Jeff shows his new "Playbills" to Susan, Heidi arrives at the apartment. Formal playbills were passed at the door.