4
by Wolfram, Herwig, 1934-
Published 1999
Book
5
by Todd, Malcolm, 1939-
Published 1999
Book
7
by Klengel, Horst, 1933-
Published 1965
Book
8
Book
9
10
by Brentjes, Burchard, 1929-2012
Published 1967
Book
12
by Däniken, Erich von, 1935-
Published 1994
Book
14
by Hunter, Erica C. D.
Published 1996
Book
15
Published 1996
Book
17
Published 1997
Book
18
by Reichardt, Hans
Published 1993
Book