|| 45 offprints by Plant geneticist George H. Shull from 1907-1943. Some have compliments of George H. Shull stamp, two inscribed presentation copies one to J. T. Baldwin Jr. signed "the author", and the other to E. N. Harvey signed "with the author's kindest regards." Most are in very good condition, and complete. One the front cover is loose but present. Some of the titles are: Genetics, the Unifying Science in Biology (1943), Defective inheritance-rations in Bursa hybrids (nd), The Word "Allele" (1935), The Genotypes of Maize (1911), Reversible Sex-Mutants in Lychnis Dioica (1911), Germinal Analysis Through Hybridization (1910), A Pure-Line in Corn Breeding (1909), complete list of titles available on request. * Plant genetics. Genetics. Science.