Taxation, shipping and aircraft : agreement between the United States of America and Denmark, amending the agreement of May 22, August 9 and 18, October 24, 25 and 28 and December 5 and 6, 1922, effected by exchange of notes dated at Washington July 6, 1987.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1992?]