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 according to interview and visit and documents Mary Tennant's talks with professionals in the field of public health. The focus of the International Health Division in which Mary Tennant is a staff member is disease prevention and investigation of diseases important to public health. The IHD withdraws from various cooperative health undertakings in Europe and focuses efforts on South America and East Asia. The diary details Tennant's impressions of nursing education and public health on her travels.

The diary is arranged according to interview and visit and documents Mary Tennant's talks with professionals in the field of public health. The focus of the International Health Division in which Mary Tennant is a staff member is disease prevention and investigation of diseases important to public health. In 1945, Tennant becomes an assistant director of the IHD. The diaries includes public health facilities and school tours, various diaries of South American travels to survey access and promote local and state public health nursing programs. Tennant also travels to Europe and documents a tuberculosis survey in Iceland, nursing education in Sweden and Norway and reports on public health work in Finland.