Montgomery also used heroic couplets for "The World before the Flood" (1812), a piece of historical reconstruction in ten cantos. Thereafter he turned to attacking the lottery in "Thoughts on Wheels" (1817) and took up the cause of the chimney sweeps' apprentices in "The Climbing Boys' Soliloquies". His next major poem was "Greenland" (1819), in five cantos of heroic couplets. This was prefaced by a description of the ancient Moravian church, its 18th-century revival and its mission to Greenland in 1733. The poem was noted for the beauty of its descriptions: