Series containing a letter from Charles Lyell (sen) to his son Sir Charles Lyell, 1841 and three letters to Sir Charles Lyell from other family members c.1839:
1) Kinnordy 14th July 1841 Letter to Charles Lyell, advising to take care of both his own, and Mary's health 'do not fancy you are a man of iron, and never forget, Mary is a wife of gold'. Advise on managing the demands of work involved in the preparation of the Boston Lectures and publishing 'Elements, 'let nothing induce you to risk the fate of poor Faraday'.
2) 15th February 1839 to Charles and Mary, from Henry Lyell, near Sukkur [Pakistan].
3) 13th June, no year, Carnoustie. From Frances Lyell [Charles' mother] to Charles and Mary, thanking for their care of Fanny, and asking them to take care.
4) From 73 Harley Street, undated, signed SJ Lyell?