Algorithms:

  • the first ed. (1994) of Professor Herbert S. Wilf's book "Algorithms and Complexity" is available at http://www.cis.upenn.edu/%7Ewilf/AlgComp3.html
  • "Dictionary of Algorithms and Data Structures" at NIST site http://www.nist.gov/dads/

    • Graph Theory:

  • an online graph theory text (322 pages of pdf file) by Reinhard Diestel, 2nd ed., 2000, is available at http://www.math.uni-hamburg.de/home/diestel/books/graph.theory/GraphTheoryII.pdf