An inquiry into the state of the revenues of the North Level Part of the Great Level of the fens called Bedford Level, and the causes of the distress of that level during the last twenty-five years, ascertained from facts; with an inquiry into the probable means of preventing the like in future, humbly submitted to the consideration of every person interested in the preservation of the said level. By J. Wing - Wing, John agent to the Duke of Bedford (printed by J. Jacob, 1788)