1
Published 1989
Book
5
Published 1998
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6
7
Published 2002
Book
8
by Crain, William C., 1943-
Published 2000
Book
9
Published 2002
Book
11
12
by Appleyard, J. A.
Published 1990
Book
13
Published 2011
Book
15
by Harris, Yvette R.
Published 2007
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16
by Berger, Kathleen Stassen.
Published 2008
Book
20