1
by Spencer
Published 2011
2
by Spencer
Published 2012
Other Authors: '; ...Spencer,...
3
by Spencer
Published 2007
4
by SPENCER
5
by SPENCER
Published 2000
6
by SPENCER
Published 1990
7
by SPENCER
Published 1996
8
by Spencer
Published 2012
Other Authors: '; ...Spencer,...
9
by Spencer, Maureen
Published 2007
Other Authors: '; ...Spencer, John...
10
Published 1994
Other Authors: '; ...Spencer,...
11
by Klug
Published 2007
Other Authors: '; ...Spencer,...
12
by KAUFFMAN
Published 1999
Other Authors: '; ...Spencer,...
13
by Klug
Published 2010
Other Authors: '; ...Spencer,...
14
by Klug, William S.
Published 2013
Other Authors: '; ...Spencer, Charlotte...