These antique violin sheet music pieces are great for music lovers and collectors. To use them, simply place the sheet music on your music stand and start playing. When handling, be gentle as the pages are quite fragile due to their age. Avoid touching the pages with dirty or wet hands to prevent further staining. For storage, keep them in a dry and cool place away from direct sunlight to prevent additional sun damage. If you want to display them, use a frame that provides protection from dust and moisture. And remember, since the books are in poor condition, take extra care not to tear the pages or loosen the bindings further.