Computer Hope
Computer Hope: Information About Computer Floppy Drives
Informative site detailing the use of computer floppy dirves. Content includes a focus on floppy drive ABCs, floppy history, floppy cable, creating a floppy boot disk, floppy disk definitions, and coverage of 3.5 and 5 1/4 floppy diskettes.
Wikimedia
Wikipedia: Floppy Disk
This encyclopedia article explores the history and usage of the floppy disk. The extensive article also addresses the floppy's structure, compatibility, and more.