Google scholar search
Free resource. OU members can click on the Settings link (near top right), then on the next page, Library Links in the left hand column, type Oxford in the search box and then click in box alongside "University of Oxford Find it @ Oxford" and finally click Save this setting. This will help you get online access to material in some (but not all) legal databases for which the Law Bod has a subscription when on the OU network/working via VPN. For example, it works for accessing journals held on HeinOnline.