1
by Ayres, Frank
Published 1970
Manuscript
2
by Ayres, Frank
Published 1991
Manuscript
3
by Ayres, Frank
Published 2001
Manuscript
4
by Mazón Ruíz, José M.
Published 1997
Manuscript
5
by Taylor, Howard E.
Published 1981
Manuscript
6
by Marcus, Daniel A,
Published 1997
Manuscript