Elizabeth Cobbold's story has been told in The Suffolk Natural History 2020 (the Suffolk Naturalists' Society Transactions) by Bob and Caroline Markham. It has a full catalogue of her specimens figured in James Sowerby's Mineral Conchology in the early 1800s - including Acila cobboldiae (in the photo), named after her. See the SNS website and GeoSuffolk Notes no 70.