Sovereign Base Areas

Key Documents for SBA law
The SBAs do not have a written constitution. Key legislation and treaties include-

Appendix O to the 1960 Treaty of Establishment - the Declaration by Her Majesty's Government regarding the administration of the Sovereign Base Areas
Definitions sections of Annexes B and C to the Treaty concerning the establishment of the Republic of Cyprus, which are often used as definitions in SBA legislation (or see the Word document file of the whole Treaty on the official site of Ministry of Foreign Affairs of the Republic of Cyprus)
Cyprus Act 1960
Sovereign Base Areas of Akrotiri and Dhekelia Order in Council 1960
Colonial Laws Validity Act 1865
European Convention on Human Rights - applies in SBAs from 1st May 2004 (or see HUDOC on the Council of Europe's site)
Protocol 3 to the EU Treaty of Accession covers arrangements for the SBAs in connection with Cyprus joining the EU (or see the protocols on the EU's Eur-Lex site)