House of Commons Parliamentary Papers includes the complete file of House of Commons Parliamentary Papers, also known as Sessional Papers or Blue Books. 　

■User's guide (in Japanese) is available here.

This includes:

1. Bills - drafts of legislation, to be reviewed through various parliamentary stages. If the Bill passes through these stages, it will become an Act of Parliament.
2. House Papers - documents resulting from the work of the House and its Committees.
3. Command Papers - Government papers (from Ministers) conveying information or decisions the Government wishes to draw to the attention of the House, presented 'by Command of Her Majesty'.