This list includes only electronic (online) books. For print books, search the HOLLIS Catalog.

• Annals of the Harvard College Observatory, Vol. VIII, (1876)
  Available through the ADS
• Annals of the Harvard College Observatory, Vol. VIII, (1876)
  Includes color images of the L. Trouvelot plates
• Annals of the Astrophysical Observatory of the Smithsonian Institution, Vol. 1 (1900)
  Available through the ADS
• Astronomiæ instauratæ mechanica (1602)
  by Tycho Brahe. Digital Edition. Washington, D.C.: Smithsonian Institution Libraries, 1999
• Astronomical Society of the Pacific Conference Series
• Astronomy and Astrophysics in the New Millennium
  Astronomy and Astrophysics Survey Committee, Board on Physics and Astronomy-Space Studies Board, National Research Council
• Astroparticle Physics and Cosmology
  editors: G. Senjanovic, A. Yu. Smirnov, and G. Thompson. Published : Trieste, Italy : ICTP--The Abdus Salam International Centre for Theoretical Physics, 2001.
• A Catalogue of Quasars and Active Nuclei (9th edition)
  M.-P. Véron-Cetty and P. Véron
• Consolidated Lunar Atlas
  by Gerald P. Kuiper, Ewen A. Whitaker, Robert G. Strom, John W. Fountain, and Stephen M. Larson; a collection of photographic images of the moon.
• CRAF Handbook for Frequency Management
  European Science Foundation. Committee on Radio Astronomy Frequencies.
• CRC Handbook of Chemistry and Physics
  Valid Harvard or SAO ID and PIN required for full-text access.
• Digital Lunar Orbiter Photographic Atlas of the Moon
  by Bowker and Hughes (NASA SP-206); a reference manual to the global photographic coverage of the Moon.
• Gravitational Waves : A Challenge to Theoretical Astrophysics
  editors V. Ferrari, J.C. Miller, L. Rezzolla. Published : Trieste, Italy : ICTP--The Abdus Salam International Centre for Theoretical Physics, 2001.
• Handbook of Space Astronomy and Astrophysics
  by Martin Zombeck
• A Heat Transfer Textbook (3rd edition)
  by John H. Lienhard IV, and John H. Lienhard V
• Library and information services in astronomy IV (LISA IV)
  Proceedings of a conference held at Charles University, Prague, Czech Republic, July 2-5, 2002 / edited by Brenda G. Corbin, Elizabeth P. Bryson, Marek Wolf. Published : Washington, DC : U.S. Naval Observatory, 2003.
• Manuscript 72 of Galileo Galilei (notes on motion)
  Presented through a joint project of Biblioteca Nazionale Centrale, Florence Istituto e Museo di Storia della Scienza, and Florence Max Planck Institute for the History of Science, Berlin.
• National Academy Press
  Read the full text of over 1,500 books published by the National Academy Press.
• Numerical Recipes in C: the art of scientific computing
  (second edition) Requires a special plug-in. Click here to get the plug-in.
• Numerical Recipes in Fortran 77
  (second edition) Requires a special plug-in. Click here to get the plug-in.
• Numerical Recipes in Fortran 90
  (second edition) Requires a special plug-in. Click here to get the plug-in.
• Origin of the Moon
  edited by W.K. Hartmann, R.J. Phillips, G. J. Taylor
• Physics in a New Era: An Overview
  National Academy of Science, Board on Physics and Astronomy
• Proceedings of the International Astronomical Union
  Cambridge University Press' publications from IAU conferences, including Colloquia, Symposia, Transactions A and B and Highlights of Astronomy, beginning in 2005
• Safari Books Online
  A collection of computer manuals for software and programming skills.
• Science and Engineering Indicators 2000
  The National Science Foundation's examination of the current state of science and engineering in the United States.
• The Space Science Enterprise 2000 Strategic Plan
• STScI Online Conference Proceedings
• Systema Saturnium (1659)
  by Christiaan Huygens. Digital Edition. Washington, D.C.: Smithsonian Institution Libraries, 1999
• Theatrum instrumentorum et machinarum (1578)
  by Jacques Dauphinois Besson. Digital Edition. Washington, D.C.: Smithsonian Institution Libraries, 1999
• Women, Minorities, and Persons with Disabilities in Science and Engineering 2000
  A report from the National Science Foundation (NSF) on the status of women and minorities in science and engineering.
• X-ray Data Booklet (2001)
  Center for X-ray Optics and Advanced Light Source, Lawrence Berkeley National Laboratory