Mendel, Gregor. "Experiments in plant-hybridisation." Read at the meetings of the 8th February and 8th March, 1865, of the Royal Horticultural Society of London., Box: 3. Veterinary Reprint and Pamphlet Collection, 24-4-3369. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/262865 Accessed April 10, 2026.