Formerly on undifferentiated name record: n 83197508.

Justice in the balance, c1998: p. viii (Helen Duffy, counsel with Human Rights Watch)

The 'war on terror' and the framework of international law, 2015: title page (Helen Duffy) page 4 of cover (Helen Duffy; runs Human Rights in Practice, an international human rights law practice in The Hague; Professor of International Humanitarian Law and Human Rights at the University of Leiden; Honorary Professor of International Law at the University of Glasgow)

Human Rights in Practice WWW site, viewed on June 11, 2015 web page for Helen Duffy (Helen Duffy; practices international law, human rights law; Professor of International Human Rights Law and International Humanitarian Law at Leiden University; established Human Rights in Practice; formerly Director of INTERIGHTS; has held other positions with international human rights organizations; Curriculum vitae lists publications, which include The 'War on terror' and the framework of international law, and Justice in the balance; Curriculum vitae also includes the following: "Languages: Mother tongue English, fluent Spanish, working knowledge of French")

Universiteit Leiden WWW site, viewed on June 11, 2015 web page for Prof. dr. H. Duffy (H. Duffy; Helen Duffy; Professor Gieskes Chair of International Human Rights and Humanitarian Law)