Typed copy of a letter with out signature from Elof Carlson to H.J. Muller regarding Drosophila genetics, a publication of Muller's major works, and the work of Carl Sagan, 1960. Typed copy of a letter with out signature from Elof Carlson to H.J.…
Typed letter from H.J. Muller to Elof Carlson with handwritten notes in the body of the letter, 1958. Typed letter from H.J. Muller to Elof Carlson with handwritten notes in the body of the letter, 1958.