1
by Götz, Gerhard
Published 1970
Book
2
3
by Lorenz, Rolf J.
Published 1996
Book
5
6
by Vengris, Jonas
Published 1982
Book
7
Published 1987
Book
8
by Bärtels, Andreas
Published 1990
Book
9
by Schluttig, Alexander
Published 1990
Book
10
13
Published 1995
Book
14
by Kutschera, Lore
Published [2018]
Book
15
by Harborne, J. B.
Published 1995
Book
16
by Kreisel, Hanns
Published 1987
Book
18
Published in Gärtnerbörse (2018)
Serial Volume
19
by Miedaner, Thomas
Published 2011
Book
20
by Miedaner, Thomas
Published [2018]
Book