1. [Mendel, Gregor] Krumbiegel, Dr. Ingo.

Gregor Mendel und Das Schicksal Seiner Entdeckung.

Stuttgart, Wissenschaftliche Verlagsgesellschaft M.B.H., 1957. 13 cm x 21 cm. 144 pages. Several illustrations, tables and pictures throughout. Original Hardcover. Former library copy with library sign fixed with sellotape to covers. Very good condition with only minor signs of external wear. Goettingen University library stamp and ink pen on title page.

2. [Darwin, Charles] Dover, Gabriel.

Dear Mr Darwin Letters on the Evolution of Life and Human Nature.

London, Weidenfeld & Nicolson, 2000. 16 cm x 24 cm. XVI, 268 pages with illustrations. Original Hardcover with dustjacket in protective mylar. Excellent condition with only minor signs of external wear.