Other
Doyle Sailmakers: Fiber Guide
Descriptions of the major fibers used in sail making. A decent introduction to the different fibers.
Other
Cha, Inc.: Nylon Life Cycle
An in-depth presentation of the history of nylon chemistry. Brings you from the late twenties to the end of the century.
Other
Fibersource: Nylon Production
Good background on the production and chemical family information for nylon.