CAMBRIDGE DIGITAL LIBRARY: Lewis-Gibson. 1,700 medieval fragments from the Cairo Geniza, now part of the collection jointly owned by the Universities of Cambridge and Oxford.
HT the Talmud Blog on Facebook.
There are endless past PaleoJudaica posts on the Cairo Geniza: see here, here, here, and link. And there is more on the Lewis-Gibson sisters (Agnes Lewis and Margaret Gibson) here and links.