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Astronomy/Astrophysics: Best Free Resources: Books/Journals

This guide contains some of the best astronomy/astrophysics resources freely available on the Internet.
Last Updated: Nov 8, 2019 2:14 PM


  • arXiv Preprint Server (Cornell Univ.) - physics, mathematics, non-linear science and computer science
  • Astronomy Thesaurus (Australian National Univ.) - Searchable in 5 languages.
  • - one of the best & largest meta-search site for new & used books.
  • CAS Source Index - current and discontinued scientific and technical serial titles worldwide including journals, online preprint servers, conference proceedings, patent document series, meeting publications, and monographs containing collections of papers. [Note: this online version is missing some information from the CD product available at the Lockwood Reference Area CD Workstation.]
  • Digital Library for Physics, Astrophysics, and Instrumentation Astrophysics Data System (ADS) from NASA/Harvard Univ.
  • Directory of Open Access Journals (Lund Univ.) - Over 9,700 peer reviewed, freely available journals, the most comprehensive directory on the Web. Article level search also available.
  • Directory of Open Access Repositories -OpenDOAR (Univ. of Nottingham) - an authoritative directory of academic open access repositories.
  • Encyclopedia Astronautica (Mark Wade) - an excellent history of spaceflight and space vehicles around the world.
  • Fundamental Physical Constants (NIST)
  • East Asian Gateway Service Document Delivery (Univ. at Pittsburgh) - Free, fast delivery of Chinese documents/articles to any individual researchers for research and teaching purposes where the needed item is not in any U.S. library.
  • Google Books - Over 15,000,000 books and magazine issues, with material added daily.
  • HathiTrust - Over 8.7 million scanned items, all described by precise metadata. Full-text of copyrighted items (~73%) are generally inaccessible.
  • Handbook of Space Astronomy and Astrophysics, 2nd Ed. (Cambridge Univ. Press, 1990) - Mostly tables and figures; note this is the older edition. The 3rd edition was published in 2007, but is not open access.
  • Landolt-Bornstein Substance / Property Index - Keyword searchable as well as molecular formula, element system, CAS Registry Numbers, chemical name, and zeolite indicies. UB has most of the older print volumes on the Lockwood Science & Engineering Reference shelves (QC61.L33 & QC61.L332).
  • The Online Books Page (John Mark Ockerbloom, Univ. of Penna.) - A meta-search & directory of over 800,000 freely available online books.
  • Publish or Perish (Anne-Wil Harzing) - a downloadable, free program analyzing Google Scholar citations to an author's publications. Reports statistics such as ave. cites per paper and h-index & related metrics. Disclaimer: Google Scholar citation data is noisy & includes non-peer reviewed citing documents. 
  • RoMEO - Over 400 publisher copyright and self-archiving policies (SHERPA)


Amanda McCormick's picture
Amanda McCormick
118 Lockwood Library
(716) 645-0612