Here's a link to what Craftsy.com suggests:
https://www.craftsy.com/blog/2013/11...lies-and-time/
Thank you for trying to find a home for your wife's fabrics! Unfortunately many spouses in your situation send it to a landfill. While I'm sure you'll find good homes for the fabric, please keep in mind that you can always compost 100% cotton fabric if all else fails.