"... made to accompany and supplement A revised Shapley-Ames catalog of bright galaxies (Carnegie Institution of Washington publication 635, 1981, 1987 ... It also extends, refines, and more completely illustrates the galaxy classification system set out in the The Hubble atlas of galaxies (Carnegie publication 618, 1961)"--Pref.
Bibliography Note
Includes bibliographical references (pages 741-744) and index.