Canadian Theatre Encyclopedia - Thorough coverage of present and past theater news and productions. Encyclopedia Mythica - Over 6,000 entries on mythology, folklore, and legend. Includes some images and stories. Symbols.com - Search by keywords/concepts or by graphical attributes. Encyclopedia of Life Sciences - Originally commissioned and peer reviewed articles across the life sciences. Online encyclopedia requires paid subscription. Cyclepedia: Motorcycle Information - Motorcycling information, repair manuals, technical data, and useful statistics organized by manufacturer. Completely searchable and easy to use. Natural Remedies Encyclopedia - Natural Remedies for over 500 diseases, such as cancer, heart disease, sexually transmitted diseases, childhood diseases, with a special section on preventive health. Tallship Fan - Encyclopedia of sailing ships online: data, photos, history, contact addresses and other information about traditionally rigged sailing ships. The Satellite Encyclopedia - The Satellite Encyclopedia contains fact sheets with basic information such as launch date, country of origin, official identification, and payload description (EIRP maps). Extended launch vehicle section. Future satellites descriptions. Over 4000 pages and 9000 keywords. Peakware World Mountain Encyclopedia - Includes reference information such as height, location, first ascent data, photos, web links, summit log entries for hundreds of mountains worldwide. The Book of Threes - Read and contribute on the both natural and unnatural occurrences or the number three. Encyclopedia of Trotskyism On-Line (ETOL) - A resource center for the study of the international Trotskyist movement. Wolfram MathWorld - Glossary of terms. Material ranges from undergraduate to research level. Encyclopedia of Mathematics - Open access encyclopaedia, based on Kluwer edition of 2002. Real Estate Wiki - Provides a glossary and includes categories such as home buying/selling, mortgage and business solutions. User contributed. Includes FAQs. Biocyclopedia - Online science tome covering subjects such as biology and chemistry. Gun/Wiki - Offers articles including the basics, the law and maintenance. User maintained. CEOPedia - Offers articles on management methodology. Tanknutdave.com - The Armoured Essentials - Specializing in military vehicles from 1915-2015. Information, photographs and video for each vehicle which includes tank destroyers and anti-aircraft vehicles. Murderpedia - A database of information about killers. Features males and females, searchable by country or name. British Executions - Provides information such as crime and method of capital punishment. Offered in chronological order from 1100AD until 1964. Russian Tanks of World War II - Photographs and information about Soviet, German and US armoured vehicles used in the 1939-1945 conflict.