1.LibHub has replaced ELIN as the database where to find articles and books in fulltext.
http://www.rwi.lu.se/library/databases.shtml or http://libhub.sempertool.dk/ (lisenced materials. LUCAT)
Go to ‘browse’ to find journals, books and databases or just use the search box. Please explore!
2.OPCAT Database (www.apt.ch/opcat) provides information on 72 countries on the process of ratification and implementation of the OPCAT. Produces by APT.
3.Online version of the Study on customary international humanitarian law
http://www.icrc.org/customary-ihl/eng/docs/home