THE DE VAUCOULEURS ATLAS OF GALAXIES
Ronald J. Buta (University of Alabama)
Harold G. Corwin, Jr. (California Institute of Technology)
Stephen C. Odewahn (Arizona State University)
Schematic of de Vaucouleurs 3-D classification volume (Handbuch der Physik, 53, 275, 1959)
De Vaucouleurs' famous sketch of a cross section at stage Sb showing galaxies of different families and varieties