Filtering by: Contributor Estes, E. Harvey (Edward Harvey), 1925- Remove constraint Contributor: Estes, E. Harvey (Edward Harvey), 1925- Contributor Nelson, David S. Remove constraint Contributor: Nelson, David S. Location Duke Medical Center Archives Remove constraint Location: Duke Medical Center Archives Subject Estes, E. Harvey (Edward Harvey), 1925- Remove constraint Subject: Estes, E. Harvey (Edward Harvey), 1925-