search engines and collections of links

• 2020ok - directory of free online books
• The Assayer: collection of reviews to freely available texts, including Mathematics (there are no much reviews, so currently this is merely a (big) collection of links)
• dmoz.org: math texts section
• eboogle
• [!] poiskknig.ru - a sort of meta site with search for links to (mainly Russian) books (not exhaustive!)
• [!] Ulf Rehmann (Digital Mathematical Library): free (most of them listed in other repositories mentioned here, conveniently arranged alphabetically) and google books (non-exhaustive?)

separate sources

• Alexandria eLibrary (most links are broken)
• AMS: list of online books
• archive.org (aka The Internet Archive): Mathematics section of Million Books Project (small number of XIX-early XX centuries texts, some of them classical)


• Biblioteka Wirtualna Matematyki: Monografie Matematyczne (Banach, Kuratowski, Sierpinski, Mostowski and other classics)
• Cambridge Univ. Press: [0] [1]


• Digital Library of India (mainly old texts)
• [!] duansci.com [use "search title", not "search"!]


• ebook30.com
• ega-math.narod.ru
• eqworld
• EMS: lists of online books and proceedings
• [!] Euler's Library (LOMI)


• Gallica (Bibl. Nat. de France)
• [!] Historical Collections (XIX and early XX centuries) at Cornell, Göttingen, and Michigan; search across all 3 repositiories.
• [!] Ikhtik Library (big collection of math, physics, biology and philosophy books including Einstein & Infeld, Poincaré, Aristotle, Russell, Bohr, Heisenberg, Wiener, Leibniz, Descartes, Shafarevich)
• [!] Kolkhoz
  mirrors/snapshots:
  • lib.homelinux.org [semibroken]
  • Belorusskaya nauchnaya biblioteka [slow and incomplete]
  • eknigu.com [semibroken] brilliant translations: [0] [1]
  • tiera.ru (+ some more?)
  • whitelist2007.narod.ru - very small subset, with rapidshare links.
  • Grodno State Univ. - old mirror; no online access, but promise to sent 1 book per week by email
  • theory.asu.ru
  texts of some subset - may be useful for full-text search
  outdated indices


• Franz Lemmermeyer's collection of lecture notes on Algebra, Algebraic Geometry and Number Theory: [Bilkent] [Heidelberg]
• [!] lib.mexmat.ru
• [!] Library Genesis   Librusec [ as of Oct 10 2009]   (apparently contains Kolkhoz and lib.mexmat.ru)
  mirrors:
  • webwarper.net
  • ololo.cc
  • free-books.dontexist.com


• [!] MCCME: free books at MCCME & Independent Univ. of Moscow (all in Russian):
  courses, many of them with lecture notes and drafts;
  books (old pages: recent books, old books)
  list of publications of MCCME


• O'Reilly:
  • Safari
  • Open Books Project
  • CD Bookshelves: [docstore.mik.ua] [cs.ait.ac.th [ as of Sep 22, 2006]]
• Open Library
• Open Russian Electronic Library


• Rancho - some badly organized seemingly big collection of books (subset of Kolkhoz?)


• Samizdat Press
• [!] ScienceDirect (Elsevier; contains a lot of old Academic Press, North-Holland [0] [1], etc. books; semibroken, search is disfunctional!)
• [!] Springer


• Boaz Tsaban: textbooks in Hebrew


• The Universal Digital Library

• Biology books:
  • Proprius (in Russian).
  • NCBI NIH bookshelf
  • (very) Russian forum on ru-board.com [spam-linked registration required]