|| A very good group of offprints from this important American geneticist including:Gene Conversion in Saccharomyces (1953), Proximity of Genes Controlling the Fermentation of Similar Carbohydrates in Sacchaaromyces with Gertrude Lindegren (1952), The Genetics of Neurospora 1, 2, 3 (1932,1932, 1933) # 1 has some foxing to cover. Overall this collection is in very good condition. L. C. Dunn stamp on 3 of the offered offprints. * Genetics. Science. Full list available upon request.