Home › Authors › Ernst Jefferson Schreiner 👤 Ernst Jefferson Schreiner b. 1902 ยท 3 books Books by Ernst Jefferson Schreiner Genetics of Eastern Cottonwood Genetics of Eastern Cottonwood 1971 Production of poplar timber in Production of poplar timber in Europe and its significance and application in the United States 1959 Two species of Valsa causing d Two species of Valsa causing disease in Populus 1931