PHS 300,66(CDC) GA, Rev, 2=50 FEDERAL SECURITY AGENCY Public Health Service Communicable Disease Center Chamblee, Georgia November 8, 1951 Dr. Joshua Lederberg Department of Genetics The University of ‘Jisconsin Madison 6, ‘Jisconsin Dear Dr. Lederberg: In response to your communication of October 29, 1951 » we are sending you under separate cover the material which you request, as follows: CDC phages ~- undiluted: Ey > Fy; i; TiI - 1 ml ea Cultures: Ey» Fy (atest) A leges 4, aud lf, are adapled eknuncff le ploge Cpe TE P kage Laud WT ar compet. wvradahtd bi fohagis cokck ia Cote. aloy Aye oracle, a he phrases ofS pla: /bages E, aod Fp ean te frohegeds ox. aT Uy lrains, haps Takeout) be on euntlers. A Hog 77 ohrued te Leite ou lage Chon. = Please advise us if these materials do not arrive within a reasonable time or if they do not arrive in usable condition, We would appreciate also your notifying us if the materials do not react as they should, For the Officer-in-Charge, Bacteriology Seetion, Very >t: yours, Philip OF ate h. D. g Bacteriologist—in-Charge CO: With shipment Snteric Bacteriology Unit