1. 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
2. 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
3. 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
4. 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
5. Effect of Ribonuclease on Deproteinized Extract 5-40 (image 4) Creator: Avery, Oswald Theodore, 1877-1955MacLeod, Colin M. (Colin Munro), 1909-1972 Date: 30 January 1941 Genre: Laboratory notes
6. Exp. 1 (T[ransforming]. P[rinciple].) Effect of Fluoride on Autolysis of Pneumococcus Type III and on Preservation of the Transforming Principle (image 1) Creator: Avery, Oswald Theodore, 1877-1955MacLeod, Colin M. (Colin Munro), 1909-1972 Date: 22 October 1940 Genre: Laboratory notes
7. Exp. 1 (T[ransforming]. P[rinciple].) Effect of Fluoride on Autolysis of Pneumococcus Type III and on Preservation of the Transforming Principle (image 2) Creator: Avery, Oswald Theodore, 1877-1955MacLeod, Colin M. (Colin Munro), 1909-1972 Date: 22 October 1940 Genre: Laboratory notes