About.com Crossword Puzzles
   Offers reviews and information about several puzzle sites.
   http://puzzles.about.com/cs/crosswords/

Aquarium Fish Crosswords
   Fish-themed puzzles to print and solve.
   http://www.fishowners.com/crosswords/

Australian Crossword Club Site
   Offers word lists, anagrams, and a monthly club magazine.
   http://www.crosswordclub.org/

Brian Jacques: Redwall Crossword Puzzles
   A collection of themed crosswords based on British author Brian Jacques's Redwall Abbey.
   http://www.redwall.org/dave/crosword.html

Canopia Crosswords
   A variety of crosswords along with other word games.
   http://www.canopia.com/

ClueMaster
   A collection of puzzles available to solve online or download. Fee required.
   http://www.cluemaster.com/

Crossword Puzzle Games
   Offers thousands of puzzles ranging in size and difficulty. Site also offers a creator and a solver.
   http://www.crosswordpuzzlegames.com

Crossword Puzzles
   Offers many types of crossword puzzles, creation software, and solving tools.
   http://www.crossword-puzzles.co.uk/

Crossword Puzzles: The Complete Guide
   Offers free puzzles to solve, tips for creators, a history, and links to other related resources.
   http://www.crossword-puzzles.us/

Crossword Station
   Offers free themed puzzles to play online or print and solve.
   http://crosswords.jitterjames.com/

CrosswordLinks.com
   A comprehensive resource with rules and helpful tips, articles, software, forums, and information about leagues, tournaments and online play.
   http://www.crosswordlinks.com/

Crosswords, Word Puzzles and More
   Free daily puzzles available to print out and solve.
   http://www.mirroreyes.com/crossword/index.html

Crosswordsite
   Both American and British English styles graded from easy to hard for solving online or on paper.
   http://www.crosswordsite.com/

Guardian Unlimited Crosswords
   Paid crossword subscription site with puzzles that can be solved online or printed out.
   http://www.guardian.co.uk/crossword/subscribe

Harry Potter Crossword Puzzle
   140 themed clues that cover the first three books.
   http://members.bellatlantic.net/~chasin/potterxw.html

MacNamara's Band Inc. Crossword Puzzles
   Available to download and solve using Across Lite software. Custom puzzles are also available.
   http://www.macnamarasband.com/

Monograph on Crosswords
   An instructional and philosophical essay by an enthusiast.
   http://barelybad.com/crossword.htm

Peter & Penny's Crossword Puzzles & Quizzes
   Available to print and solve.
   http://website.lineone.net/~firle/

Puzzle Choice
   Offers online and offline versions. Includes different styles such as alpha-cross, cryptic, and codeword.
   http://www.puzzlechoice.com/pc/Crossword_Menx.html

Puzzle.TV
   Subscription-based site with new puzzles daily. Also has word search, codebreakers and cryptograms.
   http://www.puzzle.tv/

Puzzlers Cave
   Free cryptic and themed crosswords to print or play online. Also offers a creation tool and forums.
   http://www.puzzlerscave.com/

The Crossword Centre
   A resource guide with links, books, software, and a collection of interactive and downloadable puzzles.
   http://www.crossword.org.uk/

The New York Times Crosswords & Games
   The daily crossword puzzle with four ways to play, plus free classic crosswords and trivia quizzes. Subscription required.
   http://www.nytimes.com/pages/crosswords/index.html

The Puzzle Society
   Paid subscription site offering online and offline versions of daily, weekly and monthly puzzles.
   http://www.upuzzles.com/free/crossword.html

The World's First Crossword
   Read about and solve crossword by Arthur Wynne, first published in the New York World in 1913.
   http://thinks.com/crosswords/first1.htm

Tidbits Puzzles
   A collection of tidbits style crosswords.
   http://www.tidbitspuzzles.com/tidbits/tidframe.htm

Times Online
   Offers paid subscription to weekly and monthly puzzles from The Times and The Sunday Times.
   http://www.timesonline.co.uk/section/0,,252,00.html

XWord - Crossword Compilers
   A collection of various styles of puzzles by Anina Roux and her team, compiled for magazines and newspapers in South Africa.
   http://www.xword.co.za/

Xwords.co.uk
   Play online or print and solve. Also offers creation tool. Registration is free.
   http://www.xwords.co.uk/

Yahoo! Games: Crossword
   New puzzles daily, archived for two weeks. Free registration required.
   http://play.yahoo.com/games/login?game=Crossword

csmonitor.com - Play on words
   Discussion about the documentary movie 'Wordplay' which shows how people from different walks of life relate to crossword puzzles.
   http://www.csmonitor.com/2006/0616/p15s01-almo.html