31. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 21 July 1934 Genre: Letters (correspondence)
32. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 23 June 1934 Genre: Letters (correspondence)
33. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 16 June 1934 Genre: Letters (correspondence)
34. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 9 August 1933 Genre: Letters (correspondence)
35. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 1 January 1933 Genre: Letters (correspondence)
36. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 25 December 1932 Genre: Letters (correspondence)
37. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 20 November 1932 Genre: Letters (correspondence)
38. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 27 October 1932 Genre: Letters (correspondence)
39. Letter from Wilbur A. Sawyer to Margaret Sawyer Creator: Sawyer, Wilbur A. Date: 14 October 1932 Genre: Letters (correspondence)
40. Vaccination against Yellow Fever with Immune Serum and Virus Fixed for Mice Creator: Lloyd, WrayKitchen, S. F.Sawyer, Wilbur A. Date: 1932 Publisher: Rockefeller University. Press Genre: Articles