House of Commons Parliamentary Papers are foremost among the richest and most detailed primary sources for the past three centuries, for Britain, its colonies and the wider world. As such, they constitute a major part of the world’s historical record. Parliamentary Papers influenced public opinion and social and political philosophy and provided a forum for the ideas of thinkers of the day.
House of Commons Parliamentary Papers (HCPP) includes the complete file of House of Commons Parliamentary Papers, also known as Sessional Papers or Blue Books, dating from 1715 through to today.
The latter two categories breakdown further into:
Plus, the 18th Century Collection includes pre-Hansard debates, House of Lords and House of Commons journals, rare private bills, other legislative materials, and reports and papers presented to both Houses.