International Covenant on Civil and Political Rights (1966)
International
Covenant on Economic, Social and Cultural Rights (1966)
European
Convention for the Protection of Human Rights and Fundamental
Freedoms (Sept 1953)
The
Johannesburg Principles on National Security, Freedom of Expression
and Access to Information (Nov 1996)
National
Security and Legal Protection of Media Freedom in South Africa,
Article 19 (Dec 1996)
The
Siracusa Principles on the Limitation and Derogation Provisions
in the International Covenant on Civil and Political Rights (1995)
Freedom
of Expression Manual - Assessing the Legitimacy of Restrictions
and Restrictions Based on Threats to National Security or Public
Order, Article 19 (1993)
International Covenant on Civil and Political Rights (1966) 
