21
by Hodgson, John S.
Published 1983
22
by Husted, Steven L.
Published 2007
23
by Marsh, Steve, 1967-
Published 2005
24
by Rourke,John T
Published 2004
25
by Lubbers, R.F.M.
Published 1991
26
by Salvatore, Dominick
Published 1983
27
by Daniels John D.
Published 1988
28
by Krugman, Paul R.
Published 1988
29
by Siebert, Horst, 1938-
Published 2007
30
Published 1993
31
Published 1992
32
by Gowland, David
Published 1984
33
by Lindert, Peter H.
Published 1986
34
Published 1985
35
by Kenen, Peter B, 1932-
Published 1994
36
by Frieden, Jeffry A.
Published 1995
37
by Salvatore, Dominick
Published 2001
38
by Husted, Steven L.
Published 1995
39
by Salvatore, Dominick
Published 1995
40
by Spero, Joan Edelman
Published 2003