found: Work cat.: Motion picture publicity and promotion collection, 1920s-.
found: Collecting movie posters, 1997:p. 25 (6 sheet; measuring 81 x 81 in., it is approximately six times the size of a one sheet)
found: Heritage signature vintage movie poster auction #636, 2006:p. 51 (Six sheet; measures 81 x 81 in.; most were put up on the exterior of the theater and many were cut up to make theater displays as the press books advised)
found: Movie poster collecting basics WWW site, Oct. 26, 2006(Six sheet; Six sheet poster; six sheet is six times larger than the one sheet, measuring 81 x 81 in.)
found: MPA movie poster collecting WWW site, Oct. 26, 2006(6 sheet; 81 x 81 in. poster)
found: Britannica Online WWW site, Oct. 26, 2006(Six-sheet poster; from the motion picture Things to Come)
