Dr. Ruggero Ceppellini__ Milan , 19 June, 1958.
Via Bianca di Savoia 26
Milano

Dr. Joshua Lederberg
Department of Genetics
University of Wisconsin
Madison 6 — Wisconsin

Dear Joshua,

the present at least for aknowledging receipt of your
letter June 12. I am so confused with persomi problems and with the
accumulation of past work that I find some difficulty in finishing
the Madison manuscript as properly as I would like. Nonetheless I
fully understand your need for publication and ghall do my best
for sending the ms to you in the very near future.

Again many thanks for your kindness,

Sincerely yours

Co yes

‘

7

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