Statement by Robert V. Roosa before House Post Office and Civil Service on postal Rate Increase, June 6, 1961
Roosa, Robert V. "Statement by Robert V. Roosa before House Post Office and Civil Service on postal Rate Increase, June 6, 1961," in United States. Department of the Treasury. "Volume 126," Press Releases of the United States Department of the Treasury (June 2, 1961 - July 31, 1961) : 106-113. https://fraser.stlouisfed.org/title/6111/item/586969/toc/538485 , accessed on June 24, 2024.