Lettres à Son Altesse Royale le Duc regnant de Saxe-Coburg et Gotha sur la théorie des probabilités, appliquée aux science morales et politiques.
Brussels: M. Haney, 1846. First edition of "Quetelet's best researches on the application of probability to the physical and social sciences" (Cajori). Wrappers partially browned, spine split in several places, but a very good copy, in its original state, in a full morocco clamshell slipcase. Original printed wrappers. Affixed to.....