Annual Conference of State and Provincial Health Authorities of North America to Meet in Washington, D.C., April 8, 1938
United States. Department of the Treasury. "Annual Conference of State and Provincial Health Authorities of North America to Meet in Washington, D.C., April 8, 1938," in United States. Department of the Treasury. "Volume 22," Press Releases of the United States Department of the Treasury (December 15, 1937 - April 15, 1938) : 559-564. https://fraser.stlouisfed.org/title/6111/item/586863/toc/567193 , accessed on May 7, 2024.