The issuance of semipostal stamps by the U.S. Postal Service : hearing before the International Security, Proliferation, and Federal Services Subcommittee of the Committee on Governmental Affairs, United States Senate, One Hundred Sixth Congress, second session, May 25, 2000.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O., 2000.
