22. Maclyn McCarty with a portrait of Oswald T. Avery at the Rockefeller University Hospital Date: [ca. 1985] Genre: Photographic prints
23. Titration of Activity of Extracts 1/40, 2/40, 3/40 Creator: MacLeod, Colin M. (Colin Munro), 1909-1972 Date: 5 November 1940 Genre: Laboratory notes
24. Maclyn McCarty with James Watson and Francis Crick at the Waterford Prize Ceremony Creator: Lensmen Photographic AgencySmull, Robert Date: 1979 Genre: Photographic prints
27. Effect of Ribonuclease on Deproteinized Extract 5-40 (image 1) Creator: Avery, Oswald Theodore, 1877-1955MacLeod, Colin M. (Colin Munro), 1909-1972 Date: 28 January 1941 Genre: Laboratory notes
29. Effect of Ribonuclease on Deproteinized Extract 5-40 (image 3) Creator: Avery, Oswald Theodore, 1877-1955MacLeod, Colin M. (Colin Munro), 1909-1972 Date: 28 January 1941 Genre: Laboratory notes
30. Effect of Ribonuclease on Deproteinized Extract 5-40 (image 2) Creator: Avery, Oswald Theodore, 1877-1955MacLeod, Colin M. (Colin Munro), 1909-1972 Date: 28 January 1941 Genre: Laboratory notes