Portraits, mostly of Members of the Geological Society of London, 1792-2011, comprising of oil paintings, portrait busts, prints and drawings and sculptures of individuals notably including:

Mary Anning; William Babington; James Scott Bowerbank; William Buckland; Thomas Henry De la Beche; Hugh Falconer; Archibald Geikie; George Bellas Greenough; Henry Thomas Huxley; Charles Lyell; John MacCulloch; Gideon Mantell; Roderick Impey Murchison; William Pengelly; John Phillips; Joseph Prestwich; Andrew Crombie Ramsay; Adam Sedgwick; William Smith; Abraham Gottlob Werner; Henry Woodward.

Also 1,042 black and white photographs of Fellows who were chiefly active between the 1850s and 1920s, including Foreign Members and Correspondents; images of groups, notably a meeting of 'The British Association at Newcastle in 1838' and 'Discussion on the Piltdown Skull', 1915; images of Presidents of the Society, 1833-2011; images of winners of medals and funds, 1947, 1980-2003; images of staff of the Geological Society, 1863-1997.

Thirteen photographs of Iris Murdoch at various points of her life, dating from the 1930s until the 1970s. These photographs were collected by Peter Conradi while researching his biography Iris Murdoch: A Life (2001).

Letter from Sir Edward Henry Busk of Heath End, Checkendon, Oxfordshire to R A Rye. Asking for the name and address of a photographer to reproduce his portrait painted by [John Singer] Sargent, 'as many friends are asking me for a reproduction'.

Autograph, with signature.

Collection of photographs previously owned by Iris Murdoch. Includes images of Iris Murdoch alone, Iris Murdoch pictured with others and portraits of individuals who Iris Murdoch knew. As well as Murdoch those depicted include John Bayley, Frank Thompson and Elias Cannetti.

Portrait photographs of Fellows of the Royal Society by companies of Henry Maull, namely: Maull and Polyblank; Maull, Henry and Co; Maull and Co; Maull and Fox.