+ The work is first published by the United Nations or any of its
specialized agencies, or by the Organization of American States; or

+ The work is a foreign work that was in the public domain in the
United States prior to 1996 and its copyright was restored under the
Uruguay Round Agreements Act (URAA). Request "Highlights of
Copyright Amendments Contained in the Uruguay Round Agreements Act
(URAA-GATT), [http://www.loc.gov/copyright/circs/circ38b.pdf], for
further information.

+ The work comes within the scope of a Presidential proclamation.

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WHAT WORKS ARE PROTECTED?

Copyright protects "original works of authorship" that are fixed in a
tangible form of expression. The fixation need not be directly
perceptible so long as it may be communicated with the aid of a machine
or device. Copyrightable works include the following categories:

+ (1) literary works;
+ (2) musical works, including any accompanying words
+ (3) dramatic works, including any accompanying music
+ (4) pantomimes and choreographic works
+ (5) pictorial, graphic, and sculptural works
+ (6) motion pictures and other audiovisual works
+ (7) sound recordings
+ (8) architectural works