International treaties concluded by Switzerland with foreign states, international organisations and other subjects of international law and which have been published officially can be consulted in the Systematic Compendium of Federal Law and the Official Compendium of Federal Law.

Database
The database contains additional data on all the treaties in force for Switzerland or that Switzerland has signed, together with some information on other important treaties. The database can be searched for treaties by subject (for multilateral and bilateral treaties), by country or by international organisation (for bilateral treaties only). 
 Database of international treaties

Treaties deposited in Switzerland
Switzerland exercises the functions of depositary for 78 international treaties. They are classified by subject.