English Crewel Designs
Essential Stitch Guide to Crewelwork (Essential Stitch Guides)
The Anchor Book of Crewelwork Embroidery Stitches (The Anchor Book Series)
English Medieval Embroidery: Opus Anglicanum
Crewel Embroidery
RSN Appliqué: Techniques, projects and pure inspiration (Rsn: Royal School of Needlework)