1
by Burkhart, Louise M., 1958-
Published 1989
Book
3
by Early, John D.
Published 2006
Book
5
by Wright, Robin, 1950-
Published 1998
Book
6
by Mills, Kenneth, 1964-
Published 1997
Book
7
by Hanks, William F.
Published 2010
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Electronic
8
by Early, John D.
Published 2012
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Electronic