TELEPHONE: F 9177

THE WALTER AND ELIZA HALL INSTITUTE OF RESEARCH
IN PATHOLOGY AND MEDICINE

DIRECTOR;

Dr. F. M, BURNET, F,R.S, ROYAL MELBOURNE HOSPITAL
PARKVILLE. N.2

16th December 1947

Dr.Joshua Lederberg,
Department of Genetics,
University of Wisconsin,
Madison,

WISCONSIN, U.S.A.

Dear Dr.Lederberg,

Under :separate cover I am

forwarding reprints as requested by Dr.Burnet.
I regret that the second

paper on the O-D change of influenza virus

is exhausted. However I am having a micro-

film prepared of the paper, and will

forward it as soon as possible.

Trusting These arrive safely,
Yours truly,

Sica & al

Jean Scott,
Librarian,