Dr. P. FRSDERICQ

Université de Liége
Institut de Bactériologie
Rue des Bonnes Villes,l,
LIEGE - BELGIQUE

Liége, July 19th, 1951,

bDr.J. LEDERBERG
bepartment of Genetics
University of wisconsin
MADISON 6 (wis. ).

Dear Dr. Lederberg,

Thank you for your letter dated June 26,

A8 I have now my vacations, there will be some
delay but I shall send the strains in august.

Yours sincerely,

;
foo nf

wp oF

Dr, P, FREDEHICG