Health and demography.
Contributors: Dunn, Halbert L. b. 1896
Series: United States.  Public Health Service.    P. H. S. publication,; no. 502
Published: 1956
Place of publication: [Washington]
Language: eng
Number of pages: 94
Subjects: United States -- Population.; United States -- Statistics, Vital.
Notes: Prepared by Halbert L. Dunn.
Originally presented at a seminar held by the Bureau of State Services.