NLM Pirated Correspondence
Ortega, Manuel V. Correspondence

  1. Ortega, Manuel V. to Lederberg, Esther M.: January 27, 1966
    2. .
  2. Lederberg, Esther M. to Ortega, Manuel V.: February 16, 1966
    3. .
  3. Ortega, Manuel V. to Lederberg, Esther M.: May 3, 1966
         (with Esther M. Lederberg's response of May 5, 1966)