Stitch Fun! Buttonholed Bullion Buttonhole Wheels – Needle’nThread.com
Stitch Play: Raised Stem Stitch – Needle’nThread.com
Italiani Needlework: Romeyne Robert e Ricamo Umbro - Parte quarta
Vandyke stitch, several extant things have this on them in some form or another (see Medieval Clothing and Textiles vol VIII?).
Closed Blanket Stitch Embroidery How-To
Interesting web site for Punto Antico/ Drawn-Thread Work. Also has some instructions for some of the stitches
Portuguese stem stitch
great embroidery tutorial