Titles
- Letter from Florence R. Sabin to Rudolph J. Anderson2
- Letter from Franklin Halpin to Lawrence Kolb2
- Letter from Fred L. Soper to Wilbur A. Sawyer2
- Letter from George W. Beadle to Edward L. Tatum2
- Letter from Karl A. Connell to Virginia Apgar2
- Letter from Lawrence Kolb to the Surgeon General2
- Letter from MacGregor Instrument Company to Michael E. DeBakey and William H. Gillentine2
- Letter from Michael Heidelberger to Hugh S. Taylor, Princeton University2
- Letter from Michael Heidelberger to Kai O. Pedersen2
- Letter from Oswald T. Avery to Minnie Wandell2
- Letter from R. A. Vonderlehr to Lawrence Kolb2
- Letter from Robert S. Cunningham to Florence R. Sabin2
- Letter from Rudolph J. Anderson to Florence R. Sabin2
- Letter from Simon Flexner to Florence R. Sabin2
- Letter from Virginia Apgar to Allen O. Whipple2
- Protect them from tuberculosis2
- The Chemical Nature of Vitamin C2
- VD: sometimes penicillin doesn't work2
- [Photographic still from a scene in the motion picture 'A New Day']2
- [Point of perforation]2