Full text of international conventions and covenants is available here, also the Universal Human Rights Index for country specific information.
See also various databases.

New site which aims to bring together in one place the resources (publications, voting records, speeches) from UNBISnet in a more user friendly and mobile friendly manner.

An overview of selected UN documents, publications, databases and websites.

Contains the text of the African [Banjul] Charter on Human and Peoples' Rights, the African Charter on the Rights and Welfare of the Child, the Convention Governing the Specific Aspects of Refugee Problems in Africa, and the Protocol to the African Charter on Human and Peoples' Rights on the Rights of Women in Africa, plus the Constitutive Act of the African Union.