Additional
Information: Sites about the Riemann Hypothesis, that the zeroes of the Riemann zeta function within the critical strip lie entirely on the critical line.
Riemann Hypothesis Sites:
The Riemann Hypothesis The Riemann Hypothesis: Article by Enrico Bombieri (PDF) and video by Jeff Vaaler (.ram) from the Clay Mathematics Institute. (Riemann Hypothesis) http://www.claymath.org/millennium/Riemann_Hypothesis/
Louis de Branges de Bourcia Louis de Branges de Bourcia: Purdue University. Proposed solution for the Riemann Hypothesis (pdf format). (Riemann Hypothesis) http://www.math.purdue.edu/~branges/
Easy Proof of Riemann's Hypothesis Easy Proof of Riemann's Hypothesis: Generalisations of the zeta function might provide a proof of Riemann's hypothesis. (Riemann Hypothesis) http://www.coolissues.com/mathematics/Zeta/zeta.htm
Proof of Riemann's Hypothesis Proof of Riemann's Hypothesis: A claimed proof of Riemann's Hypothesis. (Riemann Hypothesis) http://www.coolissues.com/mathematics/Riemann/riemann.htm
Poem about the Riemann Zeta Function Poem about the Riemann Zeta Function: A mathematical hyper-poem. (Riemann Hypothesis) http://www.tau.ac.il/~hughes/zeta_poem.html
Computation of Zeros of the Zeta Function Computation of Zeros of the Zeta Function: Verification of RH up to the 10^13-th zero, with details of the computations and further results, by Xavier Gourdon with the help of Patrick Demichel. (Riemann Hypothesis) http://numbers.computation.free.fr/Constants/Miscellaneous/zetazeroscompute.html
Riemann Hypothesis Riemann Hypothesis: Article with links to other resources from MathWorld. (Riemann Hypothesis) http://mathworld.wolfram.com/RiemannHypothesis.html
Riemann's Hypothesis Riemann's Hypothesis: A beginners guide by Jon Perry. (Riemann Hypothesis) http://www.users.globalnet.co.uk/~perry/maths/riemannshypothesis/riemannshypothesis.htm
Papers on Zeros of the Riemann Zeta Function Papers on Zeros of the Riemann Zeta Function: By Andrew Odlyzko. (Riemann Hypothesis) http://www.dtc.umn.edu/~odlyzko/doc/zeta.html
The Music of the Primes The Music of the Primes: A popular article by Marcus du Sautoy on the Riemann Hypothesis; Science Spectra, Issue 11. (Riemann Hypothesis) http://www.dpmms.cam.ac.uk/~dusautoy/2soft/music.htm
Zetagrid Zetagrid: Numerical verification of the Riemann Hypothesis by a collaborative computing effort, with downloadable software. (Riemann Hypothesis) http://www.zetagrid.net/
Riemann Hypothesis in a Nutshell Riemann Hypothesis in a Nutshell: An article by Glen Pugh with a Java applet for viewing zeta on the critical line. (Riemann Hypothesis) http://www.math.ubc.ca/~pugh/RiemannZeta/