На данной странице предаставлены все книги автора «Beatrice Sheets Duncan»
Infant Mortality: Results of a Field Study in Manchester, N. H., Based On Births in One Year (Beatrice Sheets Duncan)
Infant Mortality. Results of a Field Study in Manchester, N. H., Based on Births in one Year (Emma Duke,Beatrice Sheets Duncan,United States. Children's Bureau)
