1
Foilsithe 1980
Leabhar
2
le Innes, Jocasta., Blake, Jill.
Foilsithe 1998
Leabhar
3
Foilsithe 2002
Leabhar
4
Foilsithe 1996
Leabhar
5
le Panovski, Ljupčo.
Foilsithe 1991
Thesis Leabhar
6
7
le Kolb, Bernhard.
Foilsithe 1994
Leabhar