Letters addressed to Charles Lyell, to Lady Mary Lyell, Katharine Lyell and other recipients including:

'A'
Undated note from [Ahoard?] on Baron Steuben, accompanied by an original signed bank cheque written to pay T Lopez twenty dollars in New York 6th February 1791

'B'
22 June 1870 from O Becconi

'C'
Undated letter, to 'dear friend' but likely to be Katharine Lyell, thanking them for 'life' - Miss Cobbe
Undated note of thanks for 'delightful book' again apparently to Katharine, from Charlotte Clark at 8 Hyde Park Gardens
27 May 1868 Letter from William Carruthers of the British Museum, to Charles Lyell accepting invitation

'D'
Undated letter from WB Donne, to Mary Lyell regarding the play 'The School for Scandal' at the [Halbert?] Theatre and other plays

E [artificial folder created]:
27 March 1872 from John Evans to Charles Lyell on recieving a copy of 11th Edition Principles, volume I

F [artificial section created]:
Undated notes on Michael Faraday, written by Mary Lyell and including press cuttings in an envelope dated 14 October 1867

'G'
24 February 1884 Letter from Granville, to Courtney, written at 18 Carlton House Terrace

'H'
'Copy of letter shown me by Humboldt 1st Oct 1858 at Berlin', written by Mary Lyell, and relating to Queen Victoria's thanks on recieving his autograph.
22 November 1881 from Susan Horner, at Florence, to Katharine Lyell, on the memoir, and contributing her own memories of Charles Lyell and his family,
Undated letter from JW Heath to his brother DD Heath on his memories of Cambridge University and the lecturing there.