Researching foreign and comparative law can be partcularily challenging. Two examples of excellent sources which may be found through this collection of links are: Yale Country by Country Guide to Foreign Legal Research and Flores and Reynolds Foreign Law Guide.
Lexis and Westlaw also have a variety of databases related to international and foreign law.
Research in comparative and international law topics may tax your research skills, but the MLIC has abundant resources for this type of research. The following are some basic resources in print that you might want to consult as a starting point:
Guide to International Legal Research on LexisAdvance and in print at the MLIC Reference Desk.
There are also a variety of websites which offer online research guides or provide links to such guides. Examples include: