New scholarship in many fields including legal scholarship. One can search the database or sign up for email alerts of new working papers, articles, and conferences. See Subject Matter E-Journals, and scroll down to the category of International Law (and Trade) Journals.
SSRN covers new scholarship in accounting, economics,finance,information systems,legal scholarship, management, marketing, negotiations and social insurance. One can search the database or sign up for email alerts of new working papers, articles, conferences and employment opportunities. National Bureau of Economic Research (NBER) to which Harvard also subscribes is a partner and their papers are searchable here.