This special issue, published as the catalogue for the exhibition "Maineri to Miro: The Regenstein Collection Since 1975"., is devoted to the forty Master drawings that have been added to the museum's distinguished Regenstein Collection over the past twenty-five years. Ranging from the fifteenth through the twentiethcenturies and including important works by European artists including Gian Franceso de' Maineri, Claude Lorrain, Antoine Watteau, Thomas Gainsborough, Georges Seurat, and Joan Miro, the Regenstein Collection - initiate by philanthropist Helen Regenstein and continued by her children - is perheps the most important such collecion built in concert with a museum in the late twentieth century. In this publication, an introductory essay on the ollection's history and evolution is followed by rich, full-page color plates and engaging entries on each recent addiion. Written by a team of Art Institute curators and scholar, this issue serves both as a guide to the exhibition and an introduction to many of the most famous and impressive drawings in the collection.