Yahoo Netrospective - Yahoo celebrates its 10th birthday with an overview of the most important web moments during these years. - http://birthday.yahoo.com/netrospective/
Yahoo.com and You - Movieprop considers Yahoo's beginnings and its transformation from directory to portal. - http://www.movieprop.com/internet/history.htm
The History of Yahoo! - The official history describes how Yahoo! started as an Internet bookmarks list for two Stanford University students and became a global Internet communications, commerce and media company. - http://docs.yahoo.com/info/misc/history.html