1. Letter from Linus Pauling to William B. Castle Publication: Produced: 28 May 1963 Subject(s): HemoglobinsAnemia, Sickle Cell Archival Collection: The Linus Pauling Papers (Profiles in Science)
2. Letter from Linus Pauling to Arthur Hawley Parmalee Publication: Produced: 20 May 1949 Subject(s): Equipment and SuppliesAnemia, Sickle CellHemoglobins Archival Collection: The Linus Pauling Papers (Profiles in Science)