Federal Constitution of the Swiss Confederation: Constitution adopted on April 18, 1999. English translation of the German-French-Italian original.
Introduction to the Swiss Legal System: A Guide for Foreign Researchers: Article and additional links by Fridolin M.R. Walther about many aspects.
Legal Affairs - Swiss Embassy Washington DC: Information regarding Swiss laws and regulations, international agreements between US & Switzerland, official and external links.
Swiss Debt Enforcement and Bankruptcy Law - Introduction: by Stephen W. Berti
Swiss Taxation: Information on Swiss Tax Law, corporate and individual income taxes, withholding taxes, stamp duties, VAT, international tax law of Switzerland and Tax News.