http://www.webverve.com/Arts-And-Humanities/Drawing-and-Sketching/ Explore drawing and sketching through sites with technical resources, online tools, pencil information, online exhibits, artwork images, coloring pages, caricatures, and artists' portfolios.http://www.nyu.edu/classes/miller/guide/contents.htmlMichael Miller's reference on the materials and techniques of drawing used by artists from the middle ages and renaissance to the present.Wed, 04 Oct 2006 16:16:22 GMT