41
by Husted, Steven L.
Published 2007
42
by Marsh, Steve, 1967-
Published 2005
43
by Rourke,John T
Published 2004
44
by Siebert, Horst, 1938-
Published 2007
45
Published 1985
46
by Salvatore, Dominick
Published 2001
47
by Spero, Joan Edelman
Published 2003
48
by Nester, William R, 1956-
Published 1995
49
Published 1994
50
Published 2003
51
by Went, Robert, 1955-
Published 2002
52
by Brack, Duncan
Published 1996
53
Published 1998
54
by Maswood, Javed
Published 2000
55
Published 1994
56
57
by Frenkel, Jacob A.
Published 1992
58
Published 2001
59
Published 1999
60
Published 1998