Library of D-optimal Designs  
   Compiled by Jennifer Seberry.
   http://www.uow.edu.au/~jennie/D-optimal.html

Design Resources  
   Links to resources for design theory maintained by Peter Cameron.
   http://www.maths.qmw.ac.uk/~pjc/design/resources.html

Design Theory Lecture notes on the Web  
   Links compiled by Peter Cameron.
   http://www.maths.qmul.ac.uk/~pjc/design/notes.html

Design Theory Resource Server  
   A research project founded by the UK Engineering and Physical Sciences Research Council.
   http://www.designtheory.org/

Handbook of Combinatorial Designs  
   Home page for The CRC Handbook of Combinatorial Designs.
   http://www.emba.uvm.edu/~dinitz/hcd.html

StatLib - Designs Archive  
   With programs and algorithms for creating designs for statistical experiments.
   http://lib.stat.cmu.edu/designs/

Ted Spence's Home Page  
   Classification of Hadamard matrices and designs.
   http://www.maths.gla.ac.uk/~es/

La Jolla Covering Repository  
   A database of good covering designs constructed by Dan Gordon.
   http://www.ccrwest.org/cover.html

Library of SBIBD  
   Compiled by Jennifer Seberry.
   http://www.uow.edu.au/~jennie/SBIBD.html

The Witt Design  
   The Steiner system S(5,8,24) explicitly computed by Ashay Dharwadker.
   http://www.geocities.com/dharwadker/witt.html

Caps in Finite Geometries  
   Tables and examples in PG(k-1,q) by Yves Edel.
   http://www.mathi.uni-heidelberg.de/~yves/Matritzen/CAPs/CAPMatIndex.html

Orthogonal Arrays and Covering Arrays  
   Construction of orthogonal arrays and covering arrays using permutation groups by George Sherwood.
   http://home.att.net/~gsherwood/cover.htm

Some Constant Weight Codes  
   As orbits of AG(2,q), PSL(2,2^f) and PGammaL(2,2^f) by Yves Edel.
   http://www.mathi.uni-heidelberg.de/~yves/Matritzen/CWCodes/CWCode.html

Small Association Schemes  
   Tables of homogeneous coherent configurations by A. Hanaki and I. Miyamoto.
   http://kissme.shinshu-u.ac.jp/as/

SOMA Update  
   Leonard Soicher reports on new SOMAs, which are generalisations of mutually orthogonal latin squares.
   http://www.maths.qmw.ac.uk/~leonard/soma

Orthogonal Arrays  
   A library of over 200 orthogonal arrays maintained by N. J. A. Sloane.
   http://www.research.att.com/~njas/oadir/

Bill Cherowitzo's Hyperoval Page  
   Hyperovals in Desarguesian Planes and related structures in arbitrary projective planes.
   http://www-math.cudenver.edu/~wcherowi/research/hyperoval/hypero.html

Hadamard Matrices  
   A library of Hadamard matrices maintained by N. J. A. Sloane.
   http://www.research.att.com/~njas/hadamard/

Golomb Rulers - The Search For 20, 21 and 22!  
   The search for optimal Golomb Rulers with 20, 21 and 22 marks.
   http://members.aol.com/golomb20/

The Hadamard Maximal Determinant Problem  
   List of known {-1,1}-matrices with largest determinant and D-optimal designs.
   http://www.indiana.edu/~maxdet

D.H. Rees Home Page  
   Information on Nested and Orthogonal BIBDs and related topics.
   http://www.davidhywel.freeserve.co.uk

Blocks and Design Applet  
   Fractional factorial design generator by Marko Boon.
   http://www.win.tue.nl/statlab/designApplet.html

Mathworld - Golomb Ruler  
   Description and theory, with references to additional reading.
   http://mathworld.wolfram.com/GolombRuler.html

Golomb Rulers  
   Table of lengths of shortest known Golomb rulers, counts of optimal and near-optimal rulers, and some Fortran programs for dealing with Golomb rulers.
   http://www.research.ibm.com/people/s/shearer/grule.html

Distributed.net: Project OGR  
   Describes the computerized effort to prove that the known shortest Golomb rulers (up to 25 marks) are really the shortest, or else find the actual shortest ones.
   http://www.distributed.net/ogr/

Mathematical Association of America - Math Games: Rulers, Arrays, and Gracefulness  
   Ed Pegg Jr. writes about the history (and future) of Golomb rulers and related concepts.
   http://www.maa.org/editorial/mathgames/mathgames_11_15_04.html

Modular and Regular Golomb Rulers  
   Detailed, theoretical tutorial with references.
   http://cgm.cs.mcgill.ca/%7Eathens/cs507/Projects/2003/JustinColannino/

Design and Analysis of Experiments  
   Construction and analysis of comparative experiments at the Horticultural Research Institute.
   http://biometrics.hri.ac.uk/experimentaldesigns/website/hri.htm