John Neal Booksellers is an excellent source of calligraphy, gilding and bookbinding supplies. They also have an excellent listing of calligraphy events and resources that is kept up to date very well. They are extremely committed to the needs of our unique community. Highly recommend.
Paper and Ink Arts is another resource for calligraphers. They have an abundance of calligraphic tools and supplies.
Please support these unique suppliers, these businesses are an integral part of keeping calligraphy alive and vibrant.