Operated on behalf of the UK Public Record Office (PRO), this site offers access to a variety of datasets, primarily UK Government data and associated documents. After free registration, users may search the NDAD finding aids by free-text or thesaurus-aided keywords. These finding aids provide an overview of the "contents, context and structure of a dataset and any documentation received with a dataset, and assist in the identification and retrieval of information from datasets and documentation." Access is provided to both the data itself and any relevant documentation. First-time users should consult Help, Getting Started, and especially, the Accessing Data in the Archive section before they begin their search. Users must also remember their user name and password to access the datasets. Additional resources at the site include a newsletter and what's new listing.