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Filters: Humane Society of the United StatesInternational Primate Protection LeagueSea Shepherd Conservation SocietyUniversity of North Carolina at Chapel Hillvon Haugwitz, DietrichPeople for the Ethical Treatment of AnimalsN.C. Network for AnimalsPrimarily Primates IncNational Anti-Vivisection Society U.S. 1970-19791960-19691950-1959North Carolina State University