Gilbert, J.H. On agricultural investigation : being a lecture delivered October 27, 1884, at Rutgers College, New Brunswick : under the auspices of the New Jersey agricultural experiment station, the State Board of agriculture, and the State Agricultural College / by Joseph Henry Gilbert and Sibthorpian professor of rural economy ib the University of Oxford , published by the Society for the promotion of agricultural science; J.H. Gilbert .— : Reprinted by William Clowes and Sons Limited, 1889 .— 25 с. — Lang: eng .— URL: https://rucont.ru/efd/94696 (дата обращения: 08.11.2025)