Abstract Artists: Signatures and Monograms, An International Directory

John Castagno's Artists' Signatures and Monograms have become the standard reference source for galleries, museums, libraries, and collectors around the world. Whether used to identify, authenticate, or verify signatures and works of both well-known and little-known artists, Castagno's work has no equal. In this new volume, Castagno has collected the signatures and monograms of artists who have spent all or a part of their careers in abstract art—painters, printmakers, sculptors, and photogra…