Musings From Mars - Macintosh-oriented observations on the history of the desktop computer and trends in personal computing over the last 25 years with a focus on the implications for today's computing innovations. - http://www.classic45s.com/blog/
The Mothership - Apple Macintosh and Lisa archive. Advertising brochure gallery, monthly columns, timeline, and links. - http://www.macmothership.com
Folklore.org - Anecdotes about the development of Apple's original Macintosh computer and the people who created it. - http://www.folklore.org/
The CDs of Power Computing - Shows examples of the galaxy of designs that former Mac clone maker Power Computing Corp. used on its Mac OS system disks. - http://powercomputing.home.insightbb.com/
Owen Ink: Apple Confidential - Book about Apple history. Author also has links to columns of his, including a historical series from 1998 - http://www.owenink.com/ac/order.html
Apple-history.com - A brief history of the company. Includes a gallery with descriptions, specifications and pictures of every Apple computer ever made. - http://www.apple-history.com/
Apple Computer Reading List - Includes brief summaries of Apple history books, pictures of book covers, links to reviews, author pages and other Apple history websites. - http://www.landsnail.com/apple
Making the Macintosh - An online project documenting the history of the Macintosh computer. - http://library.stanford.edu/mac/
The Apple Online Museum - Dedicated to the historical background of Apple Computer, Inc. Reviews and specifications of all Apple products. - http://www.theapplemuseum.com/