Although
most information is protected by copyright, there in an
exception: works within the public
domain which can be reproduced or used
by anyone. Yet even though you can use these materials
for free, you still must credit the author.
|
Here
are some examples of public domain sources: |
|
Public
Domain Sources:
|
Examples: |
| Publications
of the U.S. Government |
 |
U.S.
laws and other publications of the Federal government, the
U.S. Constitution |
| Copyright
has been waived by the author. |
|
Software
called freeware |
| Works
on which the copyright has expired |
 |
Works
by William Shakespeare |
