*[Problems on Algorithms (Second Edition)](https://larc.unt.edu/ian/books/free/license.html) - Ian Parberry (use form at bottom of license)*[Purely Functional Data Structures](http://www.cs.cmu.edu/~rwh/theses/okasaki.pdf)(PDF)
*[Problems on Algorithms (Second Edition)](https://larc.unt.edu/ian/books/free/license.html) - Ian Parberry (use form at bottom of license)
*[Purely Functional Data Structures](http://www.cs.cmu.edu/~rwh/theses/okasaki.pdf)(PDF)
*[Sequential and parallel sorting algorithms](http://www.inf.fh-flensburg.de/lang/algorithmen/sortieren/algoen.htm)
*[Sequential and parallel sorting algorithms](http://www.inf.fh-flensburg.de/lang/algorithmen/sortieren/algoen.htm)