Free thoughts, on the proceedings of the Continental Congress, held at Philadelphia Sept. 5, 1774 : wherein their errors are exhibited, their reasonings confuted, and the fatal tendency of their non-importation, non-exportation, and non-consumption measures, are laid open to the plainest understandings, and the only means pointed out for preserving and securing our present happy constitution : in a letter to the farmers, and other inhabitants of North America in general, and to those of the province of New-York in particular /