Genre Congresses / Congresses / Congresses . Names ca / data / electron / phosphorus / age and 3027 more

Genre Milk / Milk / Analysis / Milk / Testing . Names bacteria / class / order / age / animal and 109 more

By Thomson, J. Arthur (John Arthur), 1861-1933 . Genre Science . Names life / plants / called / animals / bacteria and 2074 more

By Barrett, Otis Warren. . Genre Coconut . Names roots / leaves / plants / soil / trunk and 127 more

By Bailey, L. H. (Liberty Hyde), 1858-1954 / Gilbert, Arthur Witter, 1882-1936 . Genre Plant breeding . Names plants / flowers / seeds / type / hybrid and 3113 more

By Tamarin, Robert H. . Genre Rodents / Behavior / Rodents / Anatomy / Microtus and 1 more . Names microtus / ochrogaster / mus / data / malachius montanus and 23593 more

By Simpson, George Gaylord, 1902-1984 . Genre Evolution (Biology) / Evolucao (Teoria) . Names life / animals / animal / type / reptiles and 2197 more

By Winslow, Kenelm, 1863- [from old catalog] . Genre Veterinary drugs / Veterinary medicine . Names animals / s b / xx / horse / digitalis and 6188 more

By Salmon, D. E. . Genre Poultry / Diseases . Names parasites / bacteria / animals / bacillus / dis and 943 more

By Bailey, L. H. (Liberty Hyde), 1858-1954 . Genre Fruit-culture . Names fruit / soil / plants / roots / wood and 3004 more