found: Greenwood, J. London vocabulary, 1777:t.p. (J. Wallis)
found: Maxted, I. London book trades 1775-1800, 1977(Wallis, John; book, map, and printseller in London, active 1775-1818; trading as Wallis and Stonehouse 1775-1777, alone 1775-1818; d. 1818; succeeded by his son Edward Wallis; another John Wallis ran his own business at 186 Strand, from at least 1806, later moving to Sidmouth)
found: Wallis's plan of the cities of London and Westminster, 1797:map, imprint (published by J. Wallis, No. 16 Ludgate Street)
found: His Wallis's new and correct map of the post roads of England & Wales, 1798:map recto (publ. by John Wallis at his Map Warehouse, London)
found: Historical pastime, or a new game of the history of England from the conquest to the accession of George the Third, 1803:game, imprint (J. Wallis, 16 Ludgate Street)
found: His Wallis's new dissected map of Somerset, 1812(J. Wallis; John Wallis)
found: Exeter Working Papers in Book History website, viewed 14 Feb. 2014:under London 1775-1800 (John Wallis, book, map, and printseller; died 1818; London business addresses: 16 Ludgate Hill and 54 Cornhill (both 1775-1805), 13 Warwick Square (1805-1811), 42 Skinner Street, Snow Hill (1812-); his son Edward was partner from 1813 and succeeded his father in 1818; another son John ran his own business at 186 Strand from at least 1806, later moving to Sidmouth)
found: Wikipedia, 14 Feb. 2014:under John Wallis, publisher (John Wallis, died 1818, was an English board game publisher, bookseller, map/chart seller, print seller, music seller, and cartographer; with his sons John Wallis Jr. and Edward Wallis, he was one of the most prolific publishers of board games of the late 18th and early 19th centuries; Wallis's company occupied a number of sites in London, England including: 16 Ludgate Street (under name "Map Warehouse") from 1775; 13 Warwick Square (under name "Instructive Toy Warehouse") from 1805; 42 Skinner Street, Snow Hill - this address was mainly used by Edward Wallis when working alone or when working with his father, in those cases publishing as "Wallis and Son" or "John & Edward Wallis")
found: I Collect Puzzles website, 14 Feb. 2014(John Wallis at his Map Warehouse in Ludgate Street, London; John Wallis at his Instructive Toy Warehouse, 13 Warwick Square, London; from Wallis's Original Manufactory, 42 Skinner Street, Snow hill, London) - http://www.icollectpuzzles.com/English/wallis.htm
