Perinatal mortality in New York City; responsible factors : A study of 955 deaths / by the Subcommittee on Neonatal Mortality, Committee on Public Health Relations, the New York Academy of Medicine, analyzed and reported by Schuyler G. Kohl
"Contains the report of the second and final phase of an intensive study of infant mortality in New York City, undertaken in 1948 by the Committee on Public Health Relations ... [The report of] the first part of the study ... was published in 1952 under the title Infant and maternal care in New York City".