Centre Nationale du CostumeUpdated! — In French, images of theater costumes, listed by time period. Includes bios of the costumers. Tres cool!
Commercial Pattern ArchiveNew! — The pattern archive, located at the University of Rhode Island, is a collection of commercial patterns, with the earliest from 1854. The online archive has a searchable index to the collection. In order to fully search the online archive, you must enroll using the form provided.
Costume Design Page — Costume construction tips ~or~ “Everything you ever wanted to know about costume construction and wish someone had told you ten years ago, dammit.”
Costume Gallery — Over 25,000 images of costume online. You must purchase a “Library” membership to view all of their documents and images.
Dressmaking Books Online — A list of online books on the subjects of dressmaking, needlework, lacemaking, netting and more. Most of the books are from the early 20th century, a few from the 19th century.
Fabric Glossary — List of fabric terms from Medieval through mid-20th century.
Northern Society of Costume & Textiles — A group in UK that “was founded ... to encourage the study and preservation of costume and textiles.” They sell patterns made from original clothing, including a dress that belonged to Charlotte Bronte.
Textile Reference Manual — Describes the different kinds of textiles and their properties. Also links to articles about textiles.
Threads Magazine — Lots of good articles on sewing, including basics, garment construction, etc.
Weaving, Lace and Related Topics — A site with documents on weaving, lace, etc. Includes the “On-Line Digital Archive of Documents on Weaving and Related Topics” – books, manuscripts, illustrations and more.
Your Wardrobe Unlock’d — Subscription based website. “This website offers resources, help, inspiration and a sense of community for seamstresses and costume makers who have a burning desire to improve their skills. We do this through articles, features and our core Masterclasses, which give you not a standard How to Sew course, but the basic building blocks of really great professional-quality sewing.”