http://www.britannica.com
There is no source of reference remotely as authoritative as the Encyclopaedia Britannica. There is no brand as venerable and as veteran as this mammoth labour of knowledge and ideas established in 1768. There is no better value for money. And, after a few sputters and bugs, it now comes in all shapes and sizes, including two CD-ROM versions (standard and deluxe) and an appealing and reader-friendly web site. So, why does it always appear to be on the brink of extinction?