Carroll, Jerome (2004) Art at the limits of perception: the aesthetic theory of Wolfgang Welsch. PhD thesis, University of Nottingham.
Reynaga, Tahia Thaddeus (2004) The elusive and yet irrepressible modernist self: formulating a theory of self-reflexivity in Kurt Schwitters' Hanover Merzbau through the vitalist philosphies of Georg Simmel and Henri Bergson. PhD thesis, University of Nottingham.
