Letter, from Adolphe Quetelet to Sir John Herschel, dated at Brussels Autograph letter signed by sender. Thanks John Frederick William Herschel for his positive judgement of his work. Mentions that [François] Moigno could only say that it was anti-religious. Another work on statistics has emerged: Versuch einer Sozialethik, 2nd. vol., by Alexander von Ochingen. In few days leaves for international conference on statistics. 22 August 1869