Ian Swales, Liberal Democrat, Redcar, 19 April 2010, Redcar constituency, Photograph by Simon Roberts. Photograph.

Penri James, Plaid Cymru, Aberwyswyth, 24 April 2010, Ceredigion constituency, Photograph by Simon Roberts. Photograph.

Nadhim Zahawi, Conservative, Salford Priors, 26 April 2010, Stratford on Avon constituency, Photograph by Simon Roberts. Photograph.

Captain Beany, New Millennium Bean Party, Port Talbot, 23 April 2010, Aberavon constituency, Photograph by Simon Roberts. Photograph.

Ed Balls, Labour, Drighlington, 17 April 2010, Morley and Outwood constituency, Photograph by Simon Roberts. Photograph.

Chris Beverley, British National Party, Morley, 17 April 2010, Morley and Outwood constituency, Photograph by Simon Roberts. Photograph.

Political posters, Ardoyne roundabout, Belfast, 2 May 2010, Belfast North constituency, Photograph by Simon Roberts. Photograph.

Hamira Khan, Conservative, Glasgow, 20 April 2010, Glasgow East constituency, Photograph by Simon Roberts. Photograph.

Abjol Miah, Respect - the Unity Coalition, Whitechapel, 12 April 2010, Bethnal Green & Bow constituency, Photograph by Simon Roberts. Photograph.

Frank Roseman's campaign team, English Democrat Party, Westminster, 29 March 2010, Cities of London and Westminster constituency, Photograph by Simon Roberts. Photograph.

Caroline Lucas, Green Party, Brighton, 24 March 2010, Brighton Pavilion constituency, Photograph by Simon Roberts. Photograph.

Pete Wishart, Scottish National Party, Perth, 21 April 2010, Perth and Perthshire North constituency, Photograph by Simon Roberts. Photograph.

Nick Clegg, Liberal Democrat, Warrington, 16 April 2010, Warrington South constituency, Photograph by Simon Roberts. Photograph.

Frank Maloney, UK Independence Party, Barking, 29 March 2010, Barking constituency, Photograph by Simon Roberts. Photograph.

The Rt Hon Michael Morris, Chairman of the Ways and Means 1992-97 (later Lord Naseby of Sandy), Photograph by Unknown. Photograph.

Rooms of the Empire Parliamentary Association, Westminster Hall After the Night of May 10th 1941, Photograph by Unknown. Monochrome photographic print.

Rooms of the Empire Parliamentary Association, Westminster Hall After the Night of May 10th 1941, Photograph by Unknown. Monochrome photographic print.

Rooms of the Empire Parliamentary Association, Westminster Hall After the Night of May 10th 1941, Photograph by Unknown. Monochrome photographic print.

The Rt. Hon. Sir Lyon Playfair, K.C.B, M.P. Chairman of Ways and Means 1880-1883 Afterwards 1st. Baron Playfair of St Andrews, Photograph by Unknown. Monochrome photographic print.

The Rt. Hon. James, Fitzalan Hope, M.P. Chairman of Ways and Means 1921, 1922-1924 and 1924-1929 Afterwards 1st Lord Rankeillour, Photograph by Unknown. Monochrome photographic print.

Col. The Rt. Hon. Colonel Douglas Clifton Brown, M.P. Chairman ofWays and Means 1942-1943. Speaker 1943-1951 Afterwards 1st. Viscount Ruffside, Photograph by Unknown. Monochrome photographic print.

View of the window in Chatres Cathedral showing Simon de Montfort, displayed at the 700th Anniversary of his Parliament held at House of Lords, January 1965, Photograph by Unknown. Monochrome photo...

Lord Great Chamberlain to George VI. Gilbert James Heathcote-Drummond-Willoughby, Lord Willoughby de Eresby, Earl of Ancaster., Photograph by Unknown. Monochrome photographic print.

Dr. The Rt. Hon. Horace King, M.P. Chairman of Ways and Means 1964-1965 Speaker 1965-1970 Afterwards Lord Maybray-King, Photograph by Unknown. Monochrome photographic print.

The Rt. Hon. Sir William Anstruther-Gray, Bt. M.C., M.P. Chairman of Ways and Means 1962-1964 Afterwards Lord Kilmany, Photograph by Unknown. Monochrome photographic print.

The Rt. Hon. Oscar Murton, O.B.E., G.D., J.P., M.P. Chairman of Ways and Means 1976-1979 Afterwards Lord Murton of Lindisfarne, Photograph by Unknown. Monochrome photographic print.

Col. The Rt. Hon. Sir Charles MacAndrew, D.G., M.P. Chairman of Ways and Means 1951-1959 Afterwards 1st Lord MacAndrew, Photograph by Unknown. Monochrome photographic print.

Key for the Line Engraving of the 'House of Commons Chamber 1941' destroyed by enemy action 10th May 1941 Key to WOA 2385, Photograph by Unknown. Monochrome photographic print.

The Speaker's Procession - taken on the terrace of the House of Commons prior to the service in St. Margaret's Church - VE Day - May 8 1945, Photograph by Elliott & Fry. Monochrome photographic print.

Trade Unionist Peers: Lord Jordan, Baroness Symons of Vernham Dean, Lord Morris of Handsworth and Baroness Gibson of Market Rasen, Photograph by Desiree Pfeiffer. Photograph.

LETTER PARTLY IN CYPHER FROM KING CHARLES I TO PRINCE MAURICE, 25 JUNE 1644, LEFT BY THE KING ON THE BATTLEFIELD AT NASEBY, 1645, Photograph by Unknown. Monochrome photographic print.

Major The Rt. Hon. James Milner, M.C., T.D., D.G. L.L.B., M.P. Chairman of Ways and Means 1943-1945 and 1945-1951 Afterwards 1st Lord Milner of Leeds, Photograph by Unknown. Monochrome photograp...

London & North-Western Railway Company's Parliament Street Offices decorated in honor sic of the Diamond Jubilee of Her Late Majesty Queen Victoria June 1897, Photograph by Unknown. Monochrome phot...

London & North-Western Railway Company's Parliament Street Offices decorated in honor sic of the Diamond Jubilee of Her Late Majesty Queen Victoria June 1897, Photograph by Unknown. Monochrome phot...

London & North-Western Railway Company's Parliament Street Offices decorated in honor sic of the Diamond Jubilee of Her Late Majesty Queen Victoria June 1897, Photograph by Unknown. Monochrome phot...

Committee A:Baroness Cohen of Pimlico (Chair), Lord Giddens, Lord Kerr of Kinlochard, Lord Moser, Lord Renton of Mount Harry, Lord Steinberg and Lord Woolmer of Leeds, Photograph by Desiree Pfeiffe...

Debate - Human Fertilisation and Embryology Bill: Lord MacKay of Clashfern, Lord Jenkin of Roding, Lord Alton of Liverpool, Baroness Tonge, Baroness Barker and Baroness Deech, Photograph by Desiree...