Charles Spurgeon's Ethernet Web Site:An extensive collection of Ethernet Reference Guides.
Dan Kegel's Fast Ethernet Page: A collection of links to WWW and FTP documents on other servers.
Desktop ATM vs, Fast Ethernet: an IBM white paper.: It's not just about raw speed.
Ethernet LWL Installations: Ethernet 10BaseT / Fast Ethernet 100BaseTX German/English.
How Stuff Works: Ethernet: Eleven-segment illustrated tutorial about Ethernet networks, with related net links.
ISO/IEC 8802-3:1996: One of standards broadly associated with "Ethernet", ISO/IEC 8802-3.
Overview of Ethernet by Cisco: Ethernet history, topologies and physical layers.
PowerOverEthernet.com: Site dedicated to Power Over Ethernet (IEEE 802.3af)
TechFest Ethernet Technical Summary: A largely complete overview of all Ethernet standards including Frame Structure, MAC, Physcial Layer, and cabling.
What Is...Ethernet: Definition from Whatis.com. The most commonly installed carrier protocol technology for local area networks.