The following information is copied directly from the official website of the United Kingdom Parliament (https://www.parliament.uk/about/how/publications/parliamentary/):
The term parliamentary papers can include:
The working papers of Parliament (such as Bills, Hansard and the daily business papers for each House).
Papers and reports produced by Parliament and its committees.
Papers presented to Parliament by outside bodies.
Both Houses of Parliament publish documents that result from their work and that of their committees, such as:
These papers are published as House of Commons or House of Lords Papers.
Many different types of papers are presented to Parliament by bodies outside Parliament - some are then published under Parliament's authority.
Most are presented because the bodies are required to do so either by law or by a decision of Parliament. The following are some of the categories of papers that must be presented to Parliament:
Many, but not all, of these papers are published as 'House of Commons Papers' or 'House of Lords Papers'.
Other papers are presented because the government has decided - or previously committed - to provide the information to Parliament. These papers are usually called 'Command Papers'.
USC Upstate library has access to the U.K. Parliamentary Papers online through ProQuest; search the A-Z Database list under "U" for U.K Parliamentary Papers. A library guide explaining how to use the Parliamentary Papers was created by ProQuest, and can be accessed HERE.