This fourth volume in a bibliography series on low-cost rural health care contains 700 entries covering the 1960's-1970's and focusing on developing countries. The bibliography is organized under five major subject headings: reference works, organization and planning, implementation of primary health care, training and utilization of primary health manpower, and formal evaluative studies. The thirty subdivisions of the major headings indicate the range of subjects covered: financial and cultural aspects of organizing health care services; rural inpatient and outpatient care; community health services; mobile units; medical, nursing, and dental care (professional and nonprofessional); teaching aids for rural health care, family planning, and midwifery; geographic distribution of health services; epidemiology; maternal and child health; and nutrition. The entries are numbered consecutively and listed alphabetically by author under subject areas; the abstracts accompanying each entry average 200 words in length. Author, geographic, and subject indexes are included. The subject index is detailed and contains numerous cross-references, e.g., under "auxiliary health worker" the user is referred to 20 specific index headings (barefoot doctor, traditional birth attendant, paramedic, etc.). The geographic index lists over 100 locations and reflects the bibliography's emphasis on developing nations. (JH)