Filtragem por: Contributor Hershey, Nathan Remover Contributor: Hershey, Nathan Contributor Leone, Lucile P. Remover Contributor: Leone, Lucile P. Contributor Williams, Bryan Remover Contributor: Williams, Bryan Contributor Yarmolinsky, Adam Remover Contributor: Yarmolinsky, Adam Coleção PA Implementation Era (1966-1972) Remover Coleção: PA Implementation Era (1966-1972) Sujeito Ballenger, Martha D. Remover Sujeito: Ballenger, Martha D. Sujeito Estes, E. Harvey (Edward Harvey), 1925- Remover Sujeito: Estes, E. Harvey (Edward Harvey), 1925- Sujeito Hershey, Nathan Remover Sujeito: Hershey, Nathan Sujeito Professional Competence Remover Sujeito: Professional Competence Sujeito Yarmolinsky, Adam Remover Sujeito: Yarmolinsky, Adam