A series of historic folders, containing letters from correspondents writing to Charles, Mary, Katharine Lyell, as well as unidentified recipients. Original empty packaging exists, noted as 'Letters written to me after publishing Sir Charles Lyell's Memoire [some of the names appear in the letters that follow, however the actual letters appear to be absent]:
Sir Joseph Hooker
Mr. & Mrs. Darwin
Dr. Asa Gray
Mr. Alfred Wallace
Mr. C Loring Brace
Principal Dawson
WS Symonds
JW Judd
Sir Wm Grove
Pengelly
Pulszky
Oswald Heer
G Hartung
Dr. Fleming
Sir Louis Mallet
Rev. WH Milman
Sir John & Lady Clark
Sir Henry Ponsonby
Lady Herschel
Miss Cobbe
Lady Head
Paget
Harris Moore
Miss Buckley
Susan Horner
Mr Chas Lyell
W Huxley "also wrote to me at a late date, this I placed in my own copy of the memoir".