Human Rights DB
UN OHCHR : http://www.ohchr.org
On this website of UN Office of High Commissioner of Human Rights, you can find international human rights conventions and related documents and statements, reports, documents on particular human rights issues released by UN human rights institutions such as Human Rights Council, Committees of human rights conventions, and Office of High Commissioner of Human Rights.
National Human Righs Commission of Korea
National Human Righs Commission of Korea: https://library.humanrights.go.kr
You can find relevent legal materials, documents, and statistics on human rights in Korea on the website of National Human Rights Commission of Korea.
University of Minnesota Human Rights Library
University of Minnesota Human Rights Library : http://hrlibrary.umn.edu/
This library which you can also access online has an extensive collection of around 60,000 human rights documents.