There are 7 titles associated with this person.

Roberts, Margaret. The Telescope; or, Moral Views for Children. London: 1804.
Roberts, Margaret. Moral Views; or the Telescope, for Children. The third edition. London: Charles Law, John Harris [1802-1819, 1824-1843], William Darton, Joseph Harvey, and Samuel Darton, 1812.
Roberts, Margaret. Rose and Emily, or, Sketches of youth. By Mrs. Roberts author of Moral Views; or, The telescope for children. London: Longman, Hurst, Rees, Orme, and Brown, John Harris [1802-1819, 1824-1843], 1812.
Roberts, Margaret. Rose and Emily, or, Sketches of youth. By Mrs. Roberts, author of "Moral Views; or, the Telescope for Children." London: John Harris [1802-1819, 1824-1843], Longman, Hurst, Rees, Orme, and Brown, 1815.
Roberts, Margaret. Moral Views; or the Telescope, for Children. The fourth edition. London: John Harris [1802-1819, 1824-1843], Charles Law and George B. Whittaker, William Darton, Joseph Harvey, and Samuel Darton, 1816.