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

Yahoo.com and You

Movieprop considers Yahoo's beginnings and its transformation from directory to portal.
http://www.movieprop.com/internet/history.htm

Yahoo Netrospective

Yahoo celebrates its 10th birthday with an overview of the most important web moments during these years.
http://birthday.yahoo.com/netrospective/