Русско-англо-русский юридический словарь

Westphalian state system. Term used in international relations, supposedly arising from the Treaties of Westphalia in 1648 which ended the Thirty Years War. It is generally held to mean a system of states or international society comprising sovereign state entities possessing the monopoly of force within their mutually recognized territories. (Concise Oxford Dictionary of Politics)

She has visited scores of penal facilities in Latin America and the United States, including over thirty prisons, jails, and police lock-ups in Brazil. (FindLaw)

Short-term residential lease means a lease or other contractual arrangement for the occupation of a dwelling unit for a term of thirty (30) nights or less; (Municode Library)