Letters between Dr. Meyer Bodansky, who is from the University of Texas School of Medicine, and Dr. James B. McNaught, who is from the School of Medicine at Stanford University. The first letter is from Dr. McNaught, and is dated November 10, 1939. The letter informs Dr. Bodansky that he is being sent two live rats for experimentation. The letter continues to explain specific details on how to go about performing an experiment that observes how rats respond to a trichinosis infection. The second letter, which is a response from Dr. Bodansky, is dated November 16, 1939. The letter thanks Dr. McNaught for sending the rats, and states that a refund is included for the cost of shipping the animals.

Letters between Dr. Meyer Bodansky and Frank P. Malloy, dated November 10 and 28, 1939. The first letter, which is from Dr. Malloy of Malloy and Sons, expresses sorrow that Dr. Bodansky will be moving out of his house. He thanks Dr. Bodansky for past favors, and informs him that he has included a bill for one month's rent. The second letter, which is a response from Dr. Bodansky, thanks Mr. Malloy for being a considerate landlord, and informs him that a rent check is included with the letter.