Knit:
Knit Kerchief (thanks Amber!) - sport weight yarn
Lace Hair Kerchief Pattern - DK or sport weight yarn
Girl's Kerchief - sport weight
2 patterns (one knit, one crochet) - sport weight
Crochet:
Baby Blue Kerchief - uses baby yarn
Red and White CANCrochet Kerchief - size 10 crochet thread. White with a maple leaf in the centre. You could use any graph I suppose.
Checkerboard Lace Head Kerchief - Lustersheen (I still don't really know what it is or what to use as a substitute!)
Cluster Stitch Bandana - uses 3-ply cotton
Do-Rag - 3 different patterns
Bandana: Filet Foulard - sport weight or worsted weight cotton
Filet Kerchief - sport weight cotton
Kerchief (Triangle Scarf) - 3 ply sport weight yarn (can also be made bigger for a shawl)
Head Rag - size 10 thread
Kerchief/Shawl - sport weight cotton
Pineapple Triangle Scarf - Aunt Lydia's "Denim" Quick Crochet or Kitchen Cotton
Quick Kerchief - worsted weight cotton
Soft Pink Kerchief - baby weight
Three Triangle Babushkas - sport weight yarn
Beaded Triangle Scarf - worsted weight
Triangle Head Scarf - sport weight yarn
Triangle Head Scarf - sport weight yarn (done like half a granny square)
Triangle Scarf or Kerchief - Aunt Lydia's "Demin" Quick Crochet (beautiful filet pattern)
Triangle Scarf with Rose - Aunt Lydia's "Denim" Quick Crochet (filet rose)

