Further your research
A key record of the medieval Parliament, the Rolls of Parliament, has recently been transcribed, edited, translated and introduced with detailed accounts of every medieval Parliament.
Online sources
The Lords Journal from 1509 to 1717, Commons Journal from 1547 to 1699 and the Journal of Sir Simonds D'Ewes on the Parliaments of Elizabeth I can be found on British History online
Books
Constitutional History of England, W Stubbs, 3 vols, (1874-8)
Constitutional History of England, F W Maitland, (1908)
Collections of essays
EB Fryde and Edward Miller, eds, 'Historical Studies of the English Parliament, Vol 1, Origins to 1399; vol. 2, 1399 to 1603', (1970)
H G Richardson and G O Sayles, eds, 'The English Parliament in the Middle Ages',
R G Davies and J H Denton, 'The English Parliament in the Middle Ages', (1981)
Ronald Butt, 'A History of Parliament: The Middle Ages', (1989)
A L Brown, 'The Governance of Late Medieval England 1272-1461', (1989)
J G Edwards, 'The Second Century of the English Parliament', (1979)
J Enoch Powell and Keith Wallace, 'The House of Lords in the Middle Ages', (1968)
G O Sayles, 'The King's Parliament of England', (1975)
M A R Graves, 'The Tudor Parliaments: Crown, Lords and Commons, 1485-1603', (1985)
G R Elton, 'The Tudor Revolution in Government', (1953)
G R Elton, 'The Parliament of England 1559-81', (1986)
J E Neale, 'Elizabeth I and her Parliaments, 2 vols', (1953-7)
Magna Carta
Claire Breay (2002) Magna Carta: Manuscripts and Myths. British Library, London.
Robin Frame (1995) The Political Development of the British Isles. Clarendon Press, Oxford.
John Gillingham (1994) The Angevin Empire. Hambledon, London.
J.C. Holt (1992) Magna Carta. Cambridge University Press, Cambridge.
A.E. Dick Howard (1998) Magna Carta: Text and Commentary. University of Virginia Press, Charlottesville.
John Hudson (1996) The Formation of the English Common Law: Law and Society in England from the Norman Conquest to Magna Carta. Pearson Longman, London.
J. R. Maddicott (2010) The Origins of The English Parliament 924-1327. Oxford University Press, Oxford.
Anthony Musson (2001) Medieval Law in Context: The Growth of Legal Consciousness from Magna Carta to the Peasants' Revolt. Manchester University Press, Manchester.
Ralph V. Turner (2003) Magna Carta: Through the Ages. Pearson Longman, London.
Nicholas Vincent (2012) Magna Carta: A Very Short Introduction. Oxford University Press, Oxford.