History of Roget's Thesaurus Origins, Development, and Design Hüllen, Werner Innbundet / 2003 / Engelsk
world in a list of words [19.–21. November 1992, Universität Gesamthochschule Essen, Kolloquium zum Thema " Die Welt in einer Liste von Wörtern"] Hüllen, Werner Innbundet / 1994 / Tysk
Understanding the lexicon meaning, sense and world knowledge in lexical semantics Hüllen, Werner Innbundet / 1988 / Engelsk
