Ninth annual report of the Board of regents of the Smithsonian institution, showing the operations, expenditures, and condition of the institution up to January 1, 1855 and the proceedings of the Board up to Febr. 24, 1855 .— : Nicholson, 1855 .— 479 с. — Lang: eng .— URL: https://rucont.ru/efd/88607 (дата обращения: 11.11.2025)