Titles
- Lab notes from Michael Heidelberger and Oswald Avery's experiments on pneumococcus bacteria and polysaccharides (3 of 4)1
- Lab notes from Michael Heidelberger and Oswald Avery's experiments on pneumococcus bacteria and polysaccharides (4 of 4)1
- Letter from Alan Gregg to his mother1
- Letter from Alan Gregg to his wife1
- Letter from Alfred N. Richards to Florence R. Sabin1
- Letter from Arnold Rice Rich to Florence R. Sabin1
- Letter from C. R. Stockard to Florence R. Sabin1
- Letter from Chauncey D. Leake to Florence R. Sabin1
- Letter from Claude Forkner to Florence R. Sabin1
- Letter from David White, National Academy of Sciences to Florence R. Sabin1
- Letter from Lawrence Kolb to Alexander Lambert1
- Letter from Robert S. Cunningham to Florence R. Sabin1
- Letter from Theodore Sheldon to Florence R. Sabin1
- Letter from Virginia Apgar to Helen Apgar1
- Letter from William Charles White to Florence R. Sabin1
- Mary Putnam Jacobi, M. D., a pathfinder in medicine: with selections from her writings and a complete bibliography1
- McLean Hospital1
- Medical Education in Ireland1
- Memorandum for the Assistant Secretary of the Treasury, concerning the activity of the International Narcotic Education Association and its President, Richmond P. Hobson1
- Memorandum from Louis Dublin to Lee Frankel (in re: Support for Committee on Municipal Health Department Practice)1