- Formulare Anglicanum, or a Collection of Antique Charters and Instruments of divers kinds, taken from the Originals, placed under several Heads, and deduced (in a Series according to the Order of Time) from the Norman Conquest to the End of the Reign of King Henry VIII. London, 1702, fol., 441 pp.
- History and Antiquities of the Exchequer of the Kings of England . . . from the Norman Conquest to the End of the Reign of . . . Edward II, London, 1711, fol., 752 pp. plus annexes. An index was printed in Baronia Anglica, and a second edition, in 2 vols., with the index, was published in London in 1769, (4to). (vol. 1, vol. 2)
Appended was a copy of the Dialogue concerning the Exchequer (De Scaccario), erroneously ascribed to Author:Gervase of Tilbury, now believed to be by Author:Richard FitzNeal; also a Latin dissertation by Madox on the Great Roll of the Exchequer (the Pipe rolls). An English translation of these appendices, made by 'a Gentleman of the Inner Temple,' appeared at London, 1758, 4to.
- An account of all the gold and silver coins ever used in England: particularly of their value, fineness, and allay, and the standards of gold and silver in all the respective reigns for the last six hundred years: likewise of it's plenty and scarcity, London, 1718, 8vo., 23pp.
- Firma Burgi, or an Historical Essay concerning the Cities, Towns, and Boroughs of England, taken from Records, London, 1723, and again 1726, fol., 297 pp.
- Baronia Anglica; an History of Land-honours and Baronies, and of Tenure in capite Verified by Records, London, 1736, fol., 292pp.; reissued in 1741.