4 July 2, 1948.

Dr. J. J, Bronfenbrenner,
Dept. of CasterfLology & Lsnunolory,
Washinzton University Medical School,
St. Louis, ‘ssouri,.

Deu by, Dronfenbreaner,

For sox aeretie work we are doing on Salmonella, it would be very useful
to hve goc® phages for vurlous types, especially stocks that might attuck
be typhiauriun. cadisen Pete his ylelded only a very wwak phage for the
strain wa are most interested in. Cowl: you do us the service of seniing
a aot of Salmonolla phazes, If ycu have than? Cr would you prefer that I
geni you the culture of 3. tynhi-mriun,in whick we are specifically most
diutervsted, ficst. Your holp sould be greatly copreciated.

Yours sincerely, “

Joshun Lederhers
Aseistant Frofessor cf Ganetics.

 

 

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