Finally!  It's online and searchable!  The Hague Academy of International Law's Recueil des Cours de l'Academie de la Haye.  One can search this entire collection of international law articles by volume, year, author, or keyword.  Although we do not subscribe to full-text access to the articles, once you have found a relevant article, you can locate it in our complete print collection in the Yale Law Library on L1, Call No. KZ 3092 .R43.