1. Wikipedia, the Free Encyclopedia (Search: Yi Sun-sin)
■ Site URL: http://en.wikipedia.org/wiki/Yi_Sun_sin
This website provides detailed information about Korean Admiral Yi Sun-sin, who protected the Korean people and Korean nation against Japanese invasions during the Imjin War. It includes information about Yi's life, the Imjin War, the Joseon Dynasty's reaction, Yi's legacy, modern depictions of Yi, and other related resources and links. A Korean version is also available at http://ko.wikipedia.org by searching '이순신'.
2. Britannica Online Encyclopedia (Search: Yi Sun-shin)
■ Site URL: http://www.britannica.com/eb/article-9002286/Yi-Sun-shin
This websites provides abridged information about Korean Admiral Yi Sun-sin. A paid subscription is required to read full articles. The information includes a brief and systematic account of Yi's life as a naval commander and national hero. Yi is described as a national leader who sacrificed himself, despite his personal honor or rank, for his endangered nation and its people while under Japanese invasions. It also provides a fair description of his creative invention, the ironclad battleships called the Geobukseon or turtle ship.
3. The Free Dictionary by Farlex (Search: Yi, Sun-Sin)
■ Site URL: http://encyclopedia.farlex.com/Yi,+Sun-sin
A paid subscription is required to read articles on this website, but a one-week free trial is available. Cancel your subscription before the trial period expires if you do not want to get charged. This website describes Yi Sun-sin as a Korean Admiral who saved the nation from Japanese invasions during the Imjin War. Yi's achievements are well portrayed, especially in its description of his triumph at the battle of Myeongnyang.
4. Knowledgerush (Search: Yi Sun-sin)
■ Site URL: http://www.knowledgerush.com/kr/encyclopedia/Yi_Sun-sin
No subscription is required for this website. You can access the full text of all articles for free. You can find information about Korean Admiral Yi Sun-sin simply by searching 'Yi Sun-sin' in the Knowledgerush Search section on the left side of the homepage. This website describes Yi as a naval admiral who led the resistance against and defeated Japanese invasions both in 1592 and in 1597. Yi's outstanding capability and achievements are highlighted in its description of his victory at the battle of Myeongnyang under the unfavorable condition of numerical inferiority.
5. Indopedia (Search: Yi Sun-sin)
■ Site URL: http://www.indopedia.org/index.php?title=Yi_Sun-shin
No subscription is required for this website. You can access the full text of all articles for free. You can read an article about Korean Admiral Yi Sun-sin by typing 'Yi Sun-sin' and clicking on the search button on the upper left side of the homepage. This website provides information in a similar format to Wikipedia's, about Yi's life, Japanese invasions and the subsequent Seven-Year War (Imjin War), Yi's use of the turtle ships, Japanese responses, and Yi's legacy.
6. NationMaster.com - Encyclopedia (Search: Yi Sun-shin)
■ Site URL: http://www.nationmaster.com/encyclopedia/Yi-Sun-Shin
No subscription is required for this website. You can access an article about Korean Admiral Yi Sun-sin by entering 'Yi Sun-shin' in the Search All box in the upper left area of the homepage. Or go to the Encyclopedia section in the upper menu bar, and then search 'Yi Sun-shin'. This website provides information in three sections, about Yi's life, Japanese invasions and the following Seven-Year War, and Yi's legacy. Information about Yi's achievements, Yi's use of the Geobukseon or turtle ship, and Japanese responses are covered under the second section titled 'the Seven-Year War and the Japanese Invasions'.
1. 50 Military Leaders Who Changed the World
By William Weir (2006; 259 pages) - Biography & Autobiography
■ Book Info URL: http://www.amazon.com/exec/obidos/ASIN/1564148661
This book introduces 50 brilliant military leaders who initiated some of the greatest changes in world history. Among them is Korean Admiral Yi Sun-sin. You can find information about Yi and his invention of the Geobukseon or turtle ship on page 121.
2. 50 Weapons That Changed Warfare
By William Weir (2005; 261 pages) - Technology & Engineering
■ Book Info URL: http://books.google.com/books?id=oCuK9Jsxx1IC&
This book introduces Korean Admiral Yi Sun-sin and his invention of the Geobukseon or turtle ships in Chapter 22 titled 'Iron floats…and Sinks: Armored Ships'. This chapter begins with an overview of Japanese warlord Toyotomi Hideyoshi's invasion of Korea in 1592, and moves into a depiction of Yi's Geobukseon. It highlights the great power of the Geobukseon, especially its use in Jinhae Bay in 1598, and Yi's heroic death during this battle after saving the Korean nation.
1. Admiral Yi Sun-sin - A Korean Hero
■ Site URL: http://www.koreanhero.net/index.htm
This website provides comprehensive information about Korean Admiral Yi Sun-sin in Chinese, Dutch, French, English, Italian and Korean. It consist of nine sections, including a brief introduction to Yi, historical background of the Imjin War, Yi's three major naval battles, Yi's turtle ship or Geobukseon, Yi's war diary (Nanjung Ilgi in Korean), and others. It also provides video clips from the Korean drama 'The Immortal Yi Sun-sin' (KBS) to help with understanding Yi's achievements in battle and his personality. It is noteworthy that this website includes extracts about Yi from international publications (British and Japanese soldiers and scholars' writings) as well as a chart of naval battles that compares one of Yi's naval victories to those of other well-known naval military leaders, Togo and Nelson. In addition, its appendix presents Yi's tactics and strategies, a chart of Yi's naval battles, and a chart of comparison between Korean and Japanese warships. This website emphasizes that Yi's naval battles were struggles to protect the people and the nation against foreign invasions, not wars to expand territory for the purpose of imperial expansion.
2. Ancient Worlds: The Orient
■ Site URL: http://www.ancientworlds.net/aw/Article/455711
This website provides information about Korean Admiral Yi Sun-sin and the Geobukseon. It emphasizes how the Joseon Dynasty was able to escape danger because of Yi's preparedness and foresight in his assessment that wars to defend the nation against Japan would be inevitable. It also provides a depiction of the Geobukseon, the turtle-shaped ironclad battleship designed by Yi.
3. American Airlines
■ Site URL: http://americanairlines.wcities.com/en/record/,256325/81/record.html
This website provides a brief introduction to Korean Admiral Yi Sun-sin in the information box about the 'Admiral Yi Sun Shin Statue' under the section of Attractions & Landmarks - Tourist Attractions & Sighting seeing - Visiting the City – Seoul - Asia. It describes Yi as a national hero who rescued Korea from the danger of Japanese occupation in the late 16th century. It highlights that Yi defeated the Japanese invaders with a small fleet of the turtle ships he had invented. It also mentions that Yi was a scholar and a writer.
1. The Great Admiral Yi Sun-sin
■ Site URL: http://www.e-sunshin.com/eng/index.htm
This website provides detailed information about Korean Admiral Yi Sun-sin in Chinese, English, Japanese, and Korean. The content is well organized and easy to navigate. It consists of five sections titled 'Life of Yi Sun-shin', 'Achievement of Yi Sun-shin', 'Spirits of Yi Sun-shin', 'Hyeonchungsa' (the memorial shrine for Yi), and 'Culture Tour'. Yi is described as a great admiral who saved the Korean people and nation from Japanese invasions in 1592 and 1597.
2. Geobukseon -Turtle Ship. 1592
■ Site URL: http://www.gbs.go.kr/en/index.html
This website provides extensive information about Geobukseon and its inventor Korean Admiral Yi Sun-sin, in Chinese, English, Japanese and Korean. Geobukseon refers to the innovative turtle-shaped battleships that led to Yi's naval victories. The most unique element of this website is that it allows you to take a 3D virtual tour inside the Geobukseon, and watch 3D animations of naval battles between Korea and Japan during the Imjin War.
3. Hyeonchungsa Shrine
■ Site URL: http://www.hcs.go.kr/english/main.asp
This website is the official website of the Hyeonchungsa shrine in the Chungcheongnamdo province city of Asan. The shrine houses the portrait of Korean Admiral Yi Sun-sin and commemorates his sacrifice for the people and the nation of Korea. This website provides information in English and Korean about Yi's life, the relics of Yi in its possession, the shrine, and more. Information about Yi is provided under the section titled 'YISUNSIN' (English ver.) and '충무공 이순신' (Korean ver.). The information includes his biography, his family tree, his achievements, his remains, and related books.
4. Geobukseon and Yi Sun-sin
■ Site URL: http://www.gbsun.com/
This website provides information about Korean Admiral Yi Sun-sin and the Geobukseon. Its content is primarily written in Korea, but has a small English section titled 'English Guide'. The English Guide section includes five sub-sections, which are 'Admiral Yi Sun Shin', 'Turtle Ship', 'Shipbuilding Place', 'Daecheopbi', and 'Lord of the Turtle Ship'. You can learn about Yi's spirit and major achievements, and see images of his portrait, turtle ships, and the shipbuilding place.