Duration of copyright
Subtitle: provisions of the law dealing with the length of copyright protection.
Contributors: Library of Congress. Copyright Office.
Series: Circular -- 15a.; Circular (Library of Congress. Copyright Office) -- 15 a.
Publisher: [Library of Congress, Copyright Office
Published: 1999
Place of publication: [Washington, D.C.] (101 Independence Avenue, S.E., Washington 20559-6000)
Language: eng
Subjects: Copyright -- Duration -- United States
Other titles: Provisions of the law dealing with the length of copyright protection.
Notes: Shipping list no.: 99-0230-P.

"April 1999"--P. 4.