Caltech Archives
The Huntington Library
North Carolina Museum of Art
Suermondt-Ludwig-Museum Aachen, photo
Anne Gold
Royal Picture Gallery Mauritshuis, The Hague
Réunion des Musées
Nationaux / Art Resource, NY
Zeeuws Archief, Middelburg, Netherlands
National Maritime Museum, Greenwich,
London
University of Texas Libraries
Museo Franz Mayer, Mexico City, México
SPL/Photo Researchers,
Inc
Photographic Department, IMSS - Florence
Octavo Corp. and the Warnock
Library
The Gallery Collection/Corbis
History of Science Collections,
University
of Oklahoma Libraries
The Granger Collection
Alinari Archives/Corbis
Massimo Listri/Corbis
The Vatican Museum
Bettmann/CORBIS
Stefano Bianchetti/Corbis
U.S. Naval Observatory Library
Hulton-Deutsch Collection/Corbis
Russell W. Porter/Caltech Archives
Draper Family Papers, Archives
Center,
National Museum of American History, Smithsonian Institution
David
Malin
University of California, Lick
Observatory Publication
Master and Fellows of Trinity College Cambridge
National Optical Astronomy
Observatory (NOAO)
Association of Universities for Research in Astronomy
(AURA)
Sloan Digital Sky Survey
NASA/JPL
Institution for Astronomy
European Southern Observatory
Jack Haas
Leigh Arnold
National Solar Observatory
Solar and Heliospheric Observatory/NASA/ESA
Space Telescope Science
Institute/NASA
Adam Riess, Ph.D.
Goddard Space Flight Center/NASA
TMT Observatory Corporation
Mirage 3D
Art Beats
Pond 5
NASA/JPL-Caltech
NASA/ESA
