Observations on an address to the public, dated April, 20, 1775 : superscribed Bedford Level : and sign'd Charles Nalson Cole, register : repeatedly inserted in the Cambridge paper : and on a plan, and draught of a bill intended to be presented to Parliament, by the Honourable Corporation of Bedford Level, for preserving the drainage of the Middle and South Levels, part of the Great Level of the Fens, called Bedford Level, and the several navigations through the same, and for imposing taxes on the free lands in the said levels ... /