What other lobbying scandals have there been in British politics?
David Cameron is far from the first current or former politician to apparently lobby for a commercial interest
June 2014
Stephen Byers on Denise Inge: 'She provided support to a community undergoing economic decline'
Stephen Byers writes: I met Denise Inge in the early 1990s when she accompanied her husband John to the north-east
May 2011
Former Labour ministers rushing to take private sector jobs, report finds
Ex-ministers taking consultancy fees from firms related to former briefs, especially in health, defence and energy sectors
December 2010
Labour ex-ministers Hoon, Byers and Caborn reprimanded over fake lobbying scandal
Three ex-MPs stripped of their Commons passes for breaching rules preventing former politicians cashing in on access to parliament to make money as lobbyists
March 2010
An end to House of Lords cronies
Pam Giddy
If they can't offer something new, the Tories will blow it
Jackie Ashley
'Cash for promises' scandal has stirred up murky waters
This week
This week: Stephen Byers, Geoff Hoon, Patricia Hewitt, Samantha Cameron and Joe Biden
Malcolm Tucker's election briefing
Like Christmas Day on the western front
Malcolm Tucker
Easy peerages for MPs stink. Now the reek is intolerable
Martin Kettle
Guardian Opinion cartoon
Budget 2010: Darling rules out 'shortsighted' spending cuts
Martin Rowson
Stephen Byers and Geoff Hoon speak on Dispatches lobbying programme
MPs should do it for love not money
Sholto Byrnes
Conservatives pledge tougher curbs on former ministers lobbying
Michael White's political briefing
Lobbying is out of control. But as with all reform, only fools rush in
Michael White
Dispatches
Making a mockery of public morality
The price I wouldn't pay
Roy Hattersley
Wintour and Watt blog
Angry David Cameron says: we are not 'sleazy pigs'
Wintour and Watt blog
Lobbying row: the true crime of the ex-ministers is that they look greedy
David Cameron renews demand for inquiry into lobbying row