Titles
- Letter from Alan Gregg to Alfred C. Kinsey1
- Letter from Albert Deutsch to Charles R. Drew1
- Letter from Bernard O. Dodge to George W. Beadle1
- Letter from C.M.F. to C.G.S.1
- Letter from Charles R. Drew to A. C. Corcoran1
- Letter from Charles R. Drew to Edgar B. Carter1
- Letter from Charles R. Drew to Gladys C. Hardwick1
- Letter from Charles R. Drew to Jacob Billikopf1
- Letter from Charles R. Drew to John Becker1
- Letter from Charles R. Drew to John Scudder1
- Letter from Colin M. MacLeod, Mary MacLeod to Oswald T. Avery1
- Letter from Columbia University, Phi Beta Kappa to Joshua Lederberg1
- Letter from David R. Goddard and Curt Stern to Janet Clark1
- Letter from Edgar B. Carter to Charles R. Drew1
- Letter from Edward B. Fox to Joshua Lederberg1
- Letter from Edward L. Tatum to George W. Beadle1
- Letter from Frank Stodola to Joshua Lederberg1
- Letter from Gladys C. Hardwick to Charles R. Drew1
- Letter from H. M. Marvin to Mary Lasker1
- Letter from Horace L. Field, New York State Education Department to Joshua Lederberg1