1
Published 2003
Book
2
by Hays, Richard B.
Published 2005
Book
3
by Hays, Richard B.,
Published 2016
Book
4
by Hays, Richard B.
Published 1989
Book
5
by Hays, Richard B.
Published 1983
Book
6
by Hays, Richard B.
Published 2002
Book
7
by Hays, Richard B.
Published 1997
Book
8
Published 2009
Book
9
Published 2011
Book
11
by Hays, Richard B.
Published 2014
Book
12
Published 2012
Book
13
Published 2012
Book Electronic
14
Published 2008
Book
15
by Furnish, Victor Paul.
Published 2009
Book
16
Published 2008
Book