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. Tennant travels to Asia and South America. The diary details a survey of the Rockefeller Foundation Indian public health program, field studies of public health nursing in China Japan and Korea. The present status of former Rockefeller Foundation nursing fellows is included as well.