1. Merry Christmas from the House in the Pines from Margaret and Wilbur Sawyer Publication: Produced: December 1933 Archival Collection: The Wilbur A. Sawyer Papers (Profiles in Science)
2. Postcard from Joshua Lederberg to Leo Szilard Publication: Produced: 3 June 1948 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
