Titles
- Excerpt from Report of the Director of the Hospital to the Corporation of the Rockefeller Institute for Medical Research, April 19, 19301
- Fred L. Soper at an old fort in Bahia, Brazil1
- Irish Immigrants: Their Intelligence as Rated by Tests1
- Italian Immigrants: Their Intelligence as Rated by Tests1
- Letter from Alan Gregg to F. Elisabeth Crowell1
- Letter from Charles R. Drew [to the New Year]1
- Letter from Claude Forkner to Florence R. Sabin1
- Letter from E. E. Huber to Lawrence Kolb1
- Letter from George W. McCoy to Lawrence Kolb1
- Letter from Langdon White to Lawrence Kolb1
- Letter from Lawrence Kolb to Franklin Halpin1
- Letter from Lawrence Kolb to the Surgeon General1
- Letter from Oswald T. Avery to Minnie Wandell1
- Letter from Oswald T. Avery to Roy Avery1
- Letter from Simon Flexner to Florence R. Sabin1
- Letter from Taliaferro Clark to Lawrence Kolb1
- Letter from Wilbur A. Sawyer to Margaret Sawyer1
- Letter to Henry Swan from his father1
- Linus Pauling as a young man1
- Linus Pauling holding a chemical model1