The text of the European Convention on Human Rights
http://www.echr.coe.int/Documents/Convention_ENG.pdf
The Human Rights Act 1998, including Schedule 1 which contains the Convention Rights (see Preface for the minor amendments that have been enacted)
http://www.legislation.gov.uk/1998?title=human%20rights
Liberty (which campaigns for human rights and civil liberties) has web pages devoted to human rights in the UK.
https://www.libertyhumanrights.org.uk/
The Home Page of the House of Lords House of Commons Joint Committee on Human Rights. This is a rich resource for students. In particular the Joint Committee reviews bills before Parliament in terms of human rights compliance; and it produces its own reports on general issues such as the definition of a public authority.
http://www.parliament.uk/business/committees/committees-a-z/joint-select/human-rights-committee/
Equality and Human Rights Commission – human rights section. This is the body charged with both upholding and promoting human rights and equality.
https://www.equalityhumanrights.com/en/human-rights
A guide for officials produced by the EHRC: Human Rights: Human Lives. A Guide to the Human Rights Act for Public Authorities.
The Home Page of the Council of Europe
http://www.coe.int/en/web/portal/home
The Home Page of the Court of Human Rights (including access to HUDOC)
www.echr.coe.int/
HUDOC – a direct link
https://hudoc.echr.coe.int/eng#{%22documentcollectionid2%22:[%22GRANDCHAMBER%22]}
Bailii – for free access to full-text UK case law, including HRA 1998 cases (this is the text of judgments, they have not been edited or have had any summaries or headnotes added. For this you will need an edited law report.)
United Kingdom Supreme Court. Many of the most important cases involving the Human Rights Act will have been, in the end, decided by the UK Supreme Court. This is the Court’s web site with access to all their decided cases. You can also view live Court sittings.
https://www.supremecourt.uk/index.html
European Human Rights Reports – a commercially produced law reports series. Carried by Westlaw.
Worldlii – for free access to full-text case law of the major sources of international law (including international human rights law).
http://www.worldlii.org/int/special/ihl/
Max Planck Encyclopedia of Public International Law - A collection of articles covering a wide range of issues, instruments, institutions, and decisions within international law.
www.mpepil.com/
Oxford Reports on International Law - A database of decisions on public international law, taken from international law courts, domestic courts, and ad hoc tribunals.
www.oxfordlawreports.com/