Letter, from Sir John Herschel to Richard Sheepshanks, dated at Anstey Cottage near Alton Autograph letter signed by sender. Answers questions raised by Richard Sheepshanks concerning the preface John Frederick William Herschel was writing for N. L. Lacaille's Catalogue of 9766 Stars. Objects to John Frederick William Herschel being seen as responsible for the contents of the book itself, even though he served on the first two B.A.A.S. committees dealing with the reduction of Lacaille's stars. 26 May 1847