Title varies slightly.
Issues for Apr. 1921-Sept. 1934 published in two parts.
Latest issue consulted: Apr. 1951.
Vols. for July 1914-Apr. 1941 issued by the Bureau of Foreign and Domestic Commerce; May 1941-1951 by the Bureau of the Census.
Vols. for Jan.-Sept. 1944 cumulated quarterly by: Monthly summary of foreign commerce of the United States; Jan.-Dec. 1944-Jan.-Dec. 1949, cumulated by: Summary of foreign commerce of the United States; Jan.-Mar. 1950-, by: Quarterly summary of foreign commerce of the United States.