1
by McForan, Desmond.
Published 1987
2
by Wilkinson, Paul, 1937-
Published 1974
3
by Enders, Walter, 1948-
Published 2006
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4
by Martin, Gus
Published 2006
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5
by Whittaker, David J, 1925-
Published 2007
6
7
8
by Nyatepe-Coo, Akorlie A.
Published 2004
9
by Katona, Peter, Dr.
Published 2006
10
by Elagab, Omer Y.
Published 1995
11
12
Published 2007
13
by Lutz, James M.
Published 2004
14
by Harmon, Christopher C.
Published 2007
15
by Gilbert, Paul, 1942-
Published 2003
16
Published 1990
17
Published 2006
18
by Laqueur, Walter
Published 1978
19
Published 1975
20
Published 1997