61
by Hyman, Anthony.
Published 1994
62
Published 1996
63
Published 1977
64
by Woodward, Susan L.
Published 1995
65
by Ross, Raymond S
Published 1995
66
67
Published 1998
68
by Bresnan, John, 1927-
Published 1993
69
70
71
by Young, Roland Arnold, 1910-
Published 1958
72
by Wheelock, Frederic M.
Published 1963
73
74
by Plaskitt, Harold, 1899-
Published 1963
75
by Floyd, David, 1914-
Published 1964
76
by Khan, Ghulam Jie M.
Published 2003
77
Published 2001
78
by Barber, Benjamin R, 1939-
Published 2003
79
80
by Fisher, Frederick
Published 2001