At the National Library of Ireland The Theatrical Observer, volumes 1-7 number 21, from July 19, 1821 to Dec. 3, 1821 were "issued concurrently with a rival publication with the same title." The University of Kansas Catalogue reads: "In Nov. 1821 a former editor started a rival publication: The Theatrical Observer, which was published at 4 Suffolk Street and ran from Nov. 22-Dec. 3, 1821 and then changed its name to The Original Theatrical Observer and was published from Dec. 4, 1821-Aug. 13, 1822."