Hough, R.B. Handbook of the trees : of the northern states and Canada : east of the Rocky mountains : photo-descriptive / by Romeyn Beck Hough; R.B. Hough .— : Published by the author, 1907 .— 886 с. — Lang: eng .— URL: https://rucont.ru/efd/104965 (дата обращения: 18.07.2024)