Letter, from John Galt to Sir John Herschel, dated at Lindsey Place, Chelsea Autograph letter signed by sender. Has passed John Frederick William Herschel's communication to Mrs. [William] Spence, who desires that publication may proceed as quickly as possible. Would he decide on a publisher. Will write biographical details himself. Would John Frederick William Herschel give him details of title page and contents. 20 September 1817