1. The Viking Biological Investigation: Preliminary Results Creator: Berdahl, Bonnie J.Lederberg, JoshuaKlein, Harold P.Carle, Glenn C., 1936-Horowitz, Norman H. (Norman Harold), 1915-2005Rich, AlexanderHobby, George L.Straat, Patricia AnnBrown, Frederick S.Oyama, Vance I.Johnson, Richard D.Levin, Gilbert V., 1924-Hubbard, Jerry S. Date: 1 October 1976 Publisher: American Association for the Advancement of Science Genre: Articles
2. Exobiology: Approaches to Life Beyond the Earth Creator: Lederberg, Joshua Date: 12 August 1960 Publisher: American Association for the Advancement of Science Genre: Articles
3. Contamination of Mars Creator: Lederberg, JoshuaSagan, Carl, 1934-1996Levinthal, Elliott C. Date: June 1967 Publisher: American Association for the Advancement of Science Genre: Articles