This is a very modest list for now. More is coming.

HANDY THINGS

Scarf-O-Matic
Thanks to Kristopher Miller for maintaining this handy tool

YARN SOURCES

Knit Picks
excellent value-priced yarn

Universal Yarn
some of the best colors

Yarn Country
good online store for Plymouth Galway

Jimmy Beans Wool
good online store for Cascade 220 and Cascade 220 Superwash

Texere Yarns
the only known source for chenille for the S18

IMAGE SOURCES

Tragical History Tour
many photos and video stills of the scarves in the Pyramids of Mars section

COSTUMING

Doctor Who Cosplay and Costuming
redirects to a highly active LiveJournal community

Prydon Academy
Doctor Who Costuming at Dragon*Con and Beyond!

Stitches in Time
Facebook group for scarf makers, wearers, cosplayers, prop makers, etc.