Dr. Donald Frederikson 
-3- 
April 20, 1978 
I wish to express my appreciation for the considerable effort 
that has already been given to adapting the guidelines to plant 
pathogens and I hope that you will give the above problems your further 
consideration. 
Sincerely, 
David L. Cop 1 in 
Assistant Professor 
DLC : j lh 
E. Adelberg 
J. Settlow 
A. Campell 
J. Spizizen 
P. Day 
E. Redford 
S. Falkow 
W . Rowe 
W. Gartland 
D. Stetten 
S. Gottesman 
L. Walters 
D. Helinski 
M. Zaitlin 
R. Hornick 
L. Jacobs 
E. Kutter 
J. Littlefield 
[Appendix A — 289] 
