CALVO, CARLOS (1824-1906), Argentine publicist and historian, was born at Buenos Aires on Feb. 26, 1824. He devoted himself to the study of the law, and in 186o he was sent by the Paraguayan Government on a special mission to London and Paris. Remaining in France, he published in 1863 his Derecho international teorico y practico de Europa y America, in two vols., and at the same time brought out a French version. The book immediately took rank as one of the highest modern author ities on the subject. Senor Calvo's next publications were of a semi-historical character. Between 1862 and 1869 he published in Spanish and French his great collection in 15 vols. of the treaties and other diplomatic acts of the South American republics, and between 1864 and 1875 his Annales historiques de la revolution de l'Amerique latine, in five vols. In 1884 he was one of the founders at the Ghent congress of the Institut de Droit Interna tional. In the following year he was Argentine minister at Berlin, and published his Dictionnaire du droit international public et prive, in that city. Calvo died in May 1006 at Paris.