O. Wilford Olsen

1901

• Animal parasites
• Animal parasites: their life cycles and ecology
• Animal parasites
• Animal parasites: their biology and life cycles
• Report on investigations of hookworms, Uncinaria lucasi Stiles, 1901, and hookworm disease of fur seals, Callorhinus ursinus, on the Pribilof Islands, Alaska from ... 1951-1961