This applies to everything from re-sharpening tweezers, to sharpening chisels.
writeups
woodcraft.com article
LostArtPress.com article
hocktools.com article
The "Scary Sharp" Honing Method
books that are highly recommended
"The Perfect Edge, the Ultimate Guide to Sharpening for Woodworkers"
, by Ron Hock
book review
book review
"The Complete Guide to Sharpening"
, by Leonard Lee
"Taunton’s Complete Illustrated Guide to Sharpening"
, by Thomas Lie-Nielsen
DVDs
Wikipedia articles:
honing
lapping
superfinishing
sharpening tweezers
good video