William Ewart Gladstone & Benjamin Disraeli, Photograph by Unknown.

Photograph of statue of Edward, 8th Earl of Warwick, Chairman of Committees 1734-1759, Photograph by Unknown.

Banking Commission meeting (12), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (10), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (11), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (9), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (7), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (8), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (5), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (6), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (3), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (4), Photograph by Mr Ian Macdonald. Photographic print.

Photograph of statue and painting in River Room, Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (1), Photograph by Mr Ian Macdonald. Photographic print.

Banking Commission meeting (2), Photograph by Mr Ian Macdonald. Photographic print.

Pat McFadden MP, Photograph by Mr Ian Macdonald. Photographic print.

Andrew Tyrie MP, Photograph by Mr Ian Macdonald. Photographic print.

Portcullis House Atruim, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of the Chart of Measured Distances in New Palace Yard, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of Central Lobby with statue of Earl Russell, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of the statue of Joseph Chamberlian, Committee Corridor reception, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of Central Lobby, Post Office and statue of Earl Granville, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of the 'in' arch from New Palace Yard, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of Central Lobby looking towards the Post Office and St Stephen's Hall, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of the lift panel in Star Chamber Court, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of the door to Committee Room 11, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of Committee Stairs, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of statue and painting in River Room, Photograph by Mr Ian Macdonald. Photographic print.

Photograph of first floor Portcullis House SE corner, Photograph by Mr Ian Macdonald. Photographic print.

The Day the Carlton Club Accepted Women - 90 Years after Women got the Vote (Liberal Democrat Women MPs), Photograph by Kieran Doherty. Photograph.

The Day the Carlton Club Accepted Women - 90 years after Women got the Vote (Labour Women MPs), Photograph by Kieran Doherty. Photograph.

The Day the Carlton Club Accepted Women - 90 years after Women got the Vote (Conservative Women MPs), Photograph by Kieran Doherty. Photograph.

The Day the Carlton Club Accepted Women - 90 Years afterWomen got the Vote (Clare Short, Independent Labour), Photograph by Kieran Doherty. Photograph.

First Session of CPA Conference, 1961 in the Royal Gallery, Photograph by Unknown. Photographic print.

CPA Conference in the Royal Gallery, Photograph by Unknown. Photograph.

James Ramsay MacDonald, Photograph by Olive Edis. Photograph.

James Ramsay MacDonald, Photograph by Olive Edis. Photograph.

Commonwealth Parliamentary Conference 2011, Photograph by Carl Jaycock. Photographic print.

Big Ben from No. 1 Millbank, Photograph by Lord James Crathorne. Photograph.

Sir Winston Churchill, Photograph by Mr Yousuf Karsh. Photographic print.

Lord Turnbull KCB CVO, Photograph by Mr Ian Macdonald. Photographic print.

Andrew Love MP, Photograph by Mr Ian Macdonald. Photographic print.

Mark Garnier MP, Photograph by Mr Ian Macdonald. Photographic print.

Rt. Hon. Lord McFall, Photograph by Mr Ian Macdonald. Photographic print.

Baroness Kramer, Photograph by Mr Ian Macdonald. Photographic print.

Rt. Hon. Lord Lawson of Blaby, Photograph by Mr Ian Macdonald. Photographic print.

The Most Rev. and the Rt. Hon. the archbishop of Canterbury, Photograph by Mr Ian Macdonald. Photographic print.

Viscount John Thurso, Photograph by Mr Ian Macdonald. Photographic print.