By Bell, Robert, 1841-1917 . Genre n-cn-on / Geology / Ontario / Botany / Ontario and 5 more . Names rock / la / mica / island / ca and 240 more

By Walker, Francis, 1809-1874 . Genre Diptera . Names musca / thorax / fin / proboscis / tibia and 6846 more

By Wedderburn, Alexander John. . Genre Food adulteration and inspection . Names animals / none / american / animal / called and 268 more

By Warburg, Otto, 1859-1938 . Names zu / ge / ca / dies / sp and 3909 more

Genre n-us--- / Fisheries / United States / Wildlife conservation / United States . Names not assigned / data / oligochaeta / atlantic / sea and 429 more

By Bailey, L. H. (Liberty Hyde), 1858-1954 . Genre Country life / Earth / Natural resources . Names life / sea / fruit / soil / class and 356 more

Genre e-ur--- / Botany / Soviet Union . Names plants / leaves / type / ca / flowers and 24378 more

By Rignano, Eugenio, 1870-1930 / Harvey, Basil Coleman Hyatt, 1875- . Genre Heredity . Names life / simple / animals / order / animal and 1177 more

Genre Nature study / Periodicals / Outdoor life / Periodicals . Names life / beach / called / plants / american and 3366 more

Genre Natural history / Periodicals . Names plants / sea / lepidoptera / life / s d and 2225 more