11. Microenvironments for Life on Mars Creator: Lederberg, JoshuaSagan, Carl, 1934-1996 Date: September 1962 Publisher: National Academy of Sciences (U.S.) Genre: Articles
12. Signs of Life: Criterion System of Exobiology Creator: Lederberg, Joshua Date: 3 July 1965 Publisher: MacMillan Magazines Genre: Articles
13. Contamination of Mars Creator: Lederberg, JoshuaSagan, Carl, 1934-1996Levinthal, Elliott C. Date: June 1967 Publisher: American Association for the Advancement of Science Genre: Articles
14. What Do We Seek in Space? Creator: Lederberg, Joshua Date: 1965 Publisher: Scholastic Book Services Genre: MonographsExcerpts
15. Life Beyond the Earth Creator: Lederberg, Joshua Date: December 1963 Publisher: Stanford Alumni Association Genre: Articles