1
by Rosenberg, Joseph
Published 1962
2
by Eckhard-Black, Christine
Published 1992
3
by Forst, Gabriele
Published 1995
4
Published 2005
5
by Hatherall, Dietlinde
Published 2005
6
by Martin-W?unscher, Sigrid
Published 1995
7
by Taylor, Heimy
Published 1986
8
by Martin, Sigrid-B.
Published 1998
9
by Hatherall, Dietlinde
Published 2005
10
Published 2004
11
by Durrell, Martin
Published 2002
12
by Russon, L.J
Published 1962
13
by Coggle, Paul
Published 2003