By Thomson, J. Arthur (John Arthur), 1861-1933 . Genre Natural history . Names sea / life / animals / leaves / bacteria and 1211 more

By Pratt, A. E. (Antwerp Edgar) . Genre Natural history / China / China / Description and travel / Tibet (China) and 2 more . Names town / china / called / none / papilio and 1386 more

Genre Natural history / Canada / Periodicals . Names plants / life / leaves / insects / sea and 2239 more

Genre Natural history . Names peru / mus / centrolene / cochranella / type and 436 more

Genre Science / Periodicals / Biology / Periodicals / Geology and 5 more . Names zu / la / sp / cis / ge and 2986 more

By Needham, James G. (James George), 1868-1956 . Genre Natural history / Outdoor books . Names plants / animals / wood / op / roots and 705 more

Genre Natural history / Periodicals . Names apex / sp / mus / thorax / telson and 55263 more

By Crichton, Andrew, 1790-1855 . Genre Arabian Peninsula / History / Natural history / Arabia . Names arabia / life / sea / called / dis and 1854 more

Genre Natural history / Periodicals . Names stones / tor / american / animal / fossils and 115 more

By Cooke, M. C. (Mordecai Cubitt), 1825-1914 / Taylor, J. E. (John Ellor), 1837-1895 . Genre Science / Periodicals / Natural history / Periodicals . Names sea / plants / flowers / life / leaves and 9667 more