Paul G. Spry
发表
H Lee,
A M Cody,
Robert D. Cody,
1998
.
A M Cody,
Paul G. Spry,
P. Spry,
1996
.
A M Cody,
Paul G. Spry,
Robert D. Cody,
1996
.
Paul G. Spry,
Frank M. Vokes,
Brian Marshall,
1998
.
J. D. Wonder,
Paul G. Spry,
P. Spry,
1989
.
A M Cody,
Paul G. Spry,
P. Spry,
2000
.
A M Cody,
Paul G. Spry,
Robert D. Cody,
1996
.
A M Cody,
Paul G. Spry,
Robert D. Cody,
1997
.
Paul G. Spry,
P. Spry,
J. Chesley,
1994
.
Paul G. Spry,
Gregory D. Fuhrmann,
1994
.