The diaries are arranged by interview and visit. From 1924-1926, Sawyer is the director of the International Health Board Public Health Laboratory Service. These entries concern Rockefeller Foundation laboratories, meetings with professionals in the field of public health and conferences pertaining to hookworm. In 1926, Sawyer goes on assignment to the West African Yellow Fever Commission, Lagos, Nigeria. In west Africa he documents laboratory research various field studies on the symptomology and pathology of Yellow Fever Includes "Localities infected with yellow fever in 1926" chart.

The diary is arranged by interview and visit. George K. Strode is an assistant director of the International Health Division who receives Rockefeller Foundation International Health Division program updates from staff members. He interviews professionals in the field of public. The diary documents field studies in malaria, impressions of Belgium Colonial Health Services, contains Rockefeller Foundation International Health Division plans for 1928. Strode also travels to Germany and visits. The progress of IHD fellows is documented as well.

The 1936 diary includes Mary Tennant's surveys of public health education, facilities and general impressions of state and local nursing in East Asia and South America.

The diary is arranged by interview and visit. George K. Strode is an assistant director of the International Health Division working at the Paris Office. The focus of the International Health Division is the control and investigation of specific diseases and to aid state and local health services. Strode receives Rockefeller Foundation International Health Division program updates from staff members and interviews professionals in the field of public health. The diary includes impressions of public health in East Asia and India, and information on yellow fever in Africa.

Organized according to interview and visit, Andrew J. Warren acting on behalf of Sawyer in this 1938 diary talks to various professionals in the field of public health and discusses projects and proposals. Includes a letter addressed to Dr. John B. Grant from Raymond B. Fosdick.

Organized according to interview and visit, Andrew J. Warren acting on behalf of Wilbur Sawyer talks to various professionals in the field of public health and discusses projects and proposals. During 4 August- 13 December 1940, Warren is filling in for Sawyer at the New York office while Sawyer is assessing Rockefeller Foundation International Health Division interests in Europe.

Organized according to interview and visit, Sawyer talks to various professionals in the field of public health and discusses projects and proposals. As Director of the Rockefeller Foundation International Health Division, he is involved in the institutional and administrative duties. The focus of the diary is the discussion of current and future public health related research. A discussion with the American Red Cross take place regarding IHD interests in Europe relating to refuges, nutrition, typhus and World War II.

Organized according to interview and visit, Sawyer talks to various professionals in the field of public health and discusses projects and proposals. As Director of the Rockefeller Foundation International Health Division, he is involved in the institutional and administrative duties. The focus of the diary is the discussion of current and future public health related research. IHD interests in Europe relating to World War II id discussed.

Organized according to interview and visit, George K. Strode acting on behalf of Wilbur Sawyer at the New York Office talks to various professionals in the field of public health and discusses projects and proposals.