Emsweller, Dr. S. L. (1956, 3 letters) England, Mrs. John O. (1949, 2 letters) English, Mary Chase (1949, 3 letters) Erickson, Dr. Mary M. (1957, 1 letter) Erkins, A.W. (1950, 1 letter) Erlanson, C.O. (1949, 1 letter) Erwin, William A. Jr. (1950, 2 letters) Esau, Dr. Katherine (1951, 3 letters) Esberg, Milton H. Jr. (1953–1957, 2 letters) Espinosa, J. Manuel (1951, 2 letters) Estey, J. Royden (1950, 10 letters) Evans, Morgan (1951, 1 letter) Evans, William (1951, 2 letters) Everett, T.H. (1948, 2 letters) Everglades Aquatic Nursery (1951, 1 letter) Eyerdam, Walter J. (1949–1957, 39 letters)