Such a guide may explain a documentation system or list depositories or libraries where research assistance is available. See above . Be prepared to use unofficial sources which reproduce or compile important legal documents. It may be possible to access only parts of documents. Many of the documents issued by IGOs are in subject compilations.
Periodicals are good source for information about documents and publications.
Periodicals and reports issued by the organization are an informative source. Contact the IGO or NGO directly. Check the Index Page on the UIA web site to determine if the organization has a site. Periodicals and Periodical Indexes Periodical articles are a very good source for information about international organizations and current developments. As usual, International Legal Materials and the American Journal of International Law are excellent sources.