A great, freely-available collection of research guides covering almost every foreign national jurisdiction and many subjects of international law. A great source for beginning research into the laws of another country.
While this should not be the sole source of one's country conditions research, the Executive Office for Immigration Review does compile a considerable set of sources organized by country in one location.
Covers public affairs, policy & politics, international affairs & statistics. Includes publications from over 120 countries throughout the world, journal articles, books, government documents, statistical directories, grey literature, research reports, conference papers, web content, and more.