Proceedings of the third-[fourth] annual Conference of state directors in charge of the local administration of the maternity and infancy act (act of Congress of November 23, 1921) ... - Conference of State Directors in Charge of the Local Administration of the Maternity and Infancy Act. (Washington, Govt. print. off., 1926)
At head of title: U. S. Department of labor ... Children's bureau ...
Five annual conferences were held. Proceedings of the 1st and 2d were not published. Some of the papers delivered at the 5th were published as separates. cf. Bureau publication no. 203, p. 122, 141.