Health and demography - Dunn, Halbert Louis 1896- ([Washington] U. S. Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, National Office of Vital Statistics, 1956)
"This report...was originally presented at a seminar held by the Bureau of State Services...May 17, 1956."
Keywords: United States -- Population; United States -- Statistics, Vital