|Finding Number (Click this to view full catalogue structure)
|Autograph letter, signed from Helen Brown on behalf of Harriet Martineau to Arthur Arnold
|1 September 1872
|From The Knowle, Ambleside. Martineau too ill to attend to literary business, mentions enclosures from the 'Echo' and Carpenter's 'erroneous' statement of the arguments in H. G. Atkinson's letters.