Filtering by: Contributor Estes, E. Harvey (Edward Harvey), 1925- Remove constraint Contributor: Estes, E. Harvey (Edward Harvey), 1925- Contributor Hershey, Nathan Remove constraint Contributor: Hershey, Nathan 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-