She specialized on John Scotus Eriugena on whom she wrote her dissertation published as The Anthropology of Eriugena.[5] Through her books, articles or edited books, she provided solid scholarship on this Carolingian thinker.[6] She worked on the concept of "nature," putting in discussion its early medieval conception with the contemporary understanding of "nature" - such as the one developed by Ralph Waldo Emerson.
Following Eriugena, she relates her conception of "nature" with the Holy Scripture, for instance on account of their manifoldness.[7][8]
^Bouchard, Constance B. (2005). "Willemien Otten. From Paradise to Paradigm: A Study of Twelfth-Century Humanism. (Brill's Studies in Intellectual History, number 127.) Boston: Brill. 2004". The American Historical Review. 110 (5): 1583–1584. doi:10.1086/ahr.110.5.1583.