By Salmon, D. E. / Carman, Ezra Ayers, 1834-1909 / Heath, Hubert A., 1857- / Minto, John, 1822-1915 / DuBois, C. and 1 more . Genre n-us--- / Sheep / United States / 1892 / Washington (D.C.) and 1 more . Names spanish / animals / grass / animal / carcass and 5910 more

By Osburn, Raymond C. (Raymond Carroll), 1872-1955 . Genre Bryozoa / Massachusetts . Names avicularia / bryozoa / avicularium / stones / area and 2690 more

Genre Fruit-culture . Names fruit / soil / sea / consul / leaves and 5286 more

By Abbe, Cleveland, 1838-1916 . Genre Crops and climate . Names plants / soil / wheat / order / leaves and 4027 more

By Powell, John Wesley, 1834-1902 . Genre Indians of North America / Ethnology / North America . Names biama / aka / ca / na / ega and 12910 more

By Palmer, T. S. (Theodore Sherman), 1868-1955 . Genre Mammals / Animals / Nomenclature . Names type / mus / argentina / ser / la and 34089 more

Genre Geology / West (U.S.) / United States / Discovery and exploration . Names leaves / rock / age / area / plants and 4678 more

Genre n-us--- / Geology / West (U.S.) / United States / Discovery and exploration . Names mexico / rock / called / noumea 1 / age and 1235 more

By Meinecke, Emilio Pepe Michael, 1869- . Genre Trees / Diseases and pests . Names fungi / bark / wood / roots / mycelium and 570 more

Genre Agriculture / Research / United States / Agriculture . Names plants / soil / leaves / seeds / fruit and 5184 more