Jones, B. Z. (1965). Lighthouse of the skies: The Smithsonian Astrophysical Observatory: background and history, 1846-1955. Smithsonian Institute.
Chicago-referens (17:e uppl.)Jones, Bessie Zaban. Lighthouse of the Skies: The Smithsonian Astrophysical Observatory: Background and History, 1846-1955. Washington: Smithsonian Institute, 1965.
MLA-referens (8:e uppl.)Jones, Bessie Zaban. Lighthouse of the Skies: The Smithsonian Astrophysical Observatory: Background and History, 1846-1955. Smithsonian Institute, 1965.
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