These sites index, organize, and ocassionally excerpt human rights treaty text, jurisprudence, and interpretations. No one resource is comprehensive or fully up to date.
Includes:
ICCPR
UN Human Rights Committee
International Bill of Human Rights
Maybe there is a recent, comprehensive, authoritative treatment of your issue. Go beyond Google by checking UC Library Search to see if there's a key secondary source that you should check first.
These systems let you search by tag with subjects, so you can easily find a group of articles about a topic.