1. Mendel G., Verh. Naturforsch. Ver. Brünn4, 3 (1866). (The original paper was published in Verh. Naturforsch. Ver. Brünn 1865, which appeared in 1866.).
2. Correns K. G., Ber. dtsch. bot. Ges.18, 158 (1900);
3. Seysenegg E. Tschermak von, Ber. dtsch. bot. Ges. 18, 232 (1900);
4. Vries H. de, Ber. dtsch. bot. Ges. 18, 83 (1900).
5. Sturtevant A. H., A History of Genetics (Harper & Rowe, New York, 1965);