Sharp-eyed readers will find a new blog in my "Costume Blogs" list in the left-hand margin: FolkCostume&Embroidery (the title is written without spaces on the blog's home page).
FolkCostume&Embroidery consists of hundreds of article-length posts showing folk costumes from different parts of Europe and Asia. Each is illustrated almost entirely with color photographs of costumes, diagrams, maps, and other useful illustrations. Best of all, the articles often cite source material at the end. The author embroiders and sews costumes himself, and the blog states that he is "open to requests to research and transmit information on particular Costumes for dance groups, choirs, etc."
Readers of the blog who are interested in folk costume should come and explore. Chances are that the area you need information on will be featured, and there is a search box for the blog you can use. I suspect I don't have enough time just to read all of the wonderful articles that are here, but that won't stop me from trying!