61
by Kravchuk, Robert S, 1955-
Published 2002
62
Published 1992
63
64
by Rubner, Alex, 1920-
Published 1979
65
by Pham, Hoang Mai.
Published 2004
66
Published 1982
67
by Lees, Francis A.
Published 1997
68
Published 1993
69
by Prugh, Thomas
Published 2000
70
by Wood, Christopher
Published 1994
71
by Wilson, Duncan, Sir.
Published 1979
72
by Thein, Myat
Published 2004
73
Published 2000
74
75
Published 1998
76
by Dolbeare, Kenneth M.
Published 1996
77
Published 1984
78
Published 1990
79
Published 1990
80