As part of the BBC's series: life and death in a Tudor court, I would recommend you watch The last days of Anne Boleyn (now available on iPlayer) and the equivalent show regarding Thomas Cromwell (BBC Two 9pm tonight). Both are designed to provide a fantastic insight into the events of the period and the differing historical interpretation

AS/A2 British history - amazing resource

http://www.liberalhistory.org.uk/sub_approach.php?sub_approach_id=12#article_anchor
The web link above goes to a great website on the Whigs and Liberals that has a great (free) archive of resources for all things Liberal. You can search it by period, so if you want Whig reforms from the 1830s, click on the Period tab and all the relevant resources for that flash up. You should never again have an excuse for a lack of historians debate in your essay.