Wyvill's correspondence with Pitt, and the political correspondence, are known as the "Wyvill Papers". Three volumes appeared in 1794–5 as
Political Papers, chiefly respecting the Attempt of the County of York and other considerable Districts, commenced in 1779 … to effect a Reformation of the Parliament of Great Britain. Collected by the Rev. Christopher Wyvill, Chairman of the late Committee of Association (York). The preface is dated Burton Hall, 26 May 1794; in June 1802 Wyvill wrote the preface to a fourth volume, and the papers were eventually concluded in six. They show the proceedings of the Yorkshire Association, and the sympathy of others interested in the reform of Parliament. The correspondence includes letters between the chairman of the association and, among others, the
Duke of Grafton,
Lord Holland,
Lansdowne, Lord Stanhope, Charles James Fox,
Major John Cartwright,
Capel Lofft,
William Mason, William Strickland,
Joseph Priestley,
Richard Price, Bishop
Richard Watson,
Tom Paine,
Granville Sharp,
John Jebb, Sir George Savile, and
Benjamin Franklin. Wyvill's writings were mostly shilling tracts, advocating radical reform. They include: •
Thoughts on our Articles of Religion with respect to their Proposed Utility to the State, London, 1771, several editions. •
Letters to the Committee of Belfast on the proposed Reformation of the Parliament of Ireland, 1782. • ''Summary Explanation of the Principles of Mr. Pitt's intended Bill for Amending the Representation of the People in Parliament'', 1785. •
A Defence of Dr. Price and the Reformers of England, 1792, (a plea for reform, with some reflections on
Edmund Burke). •
A State of the Representation of the People of England on the Principles of Mr. Pitt in 1785, with an Annexed Sketch of Additional Propositions, York, 1793. •
Considerations on the Twofold Mode of Elections adopted in France, 1804. •
A Serious Address to all the Independent Electors of the United Kingdom, 1804. •
A more extended Discussion in Favour of Liberty of Conscience Recommended, 1808. •
Intolerance, the Disgrace of Christians, not the Fault of their Religion, 1808. •
An Apology for the Petitioners for Liberty of Conscience, 1810. •
Papers on Toleration, 1810 (several editions). •
Political and Historical Arguments proving the Necessity of Parliamentary Reform, 2 vols. 1811. ==Family==