"What Is Copyright?
Copyright is a form of protection provided by the laws of the United States (title 17, U.S. Code) to the authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. Section 106 of the 1976 Copyright Act generally gives the owner of copyright the exclusive right to do and to authorize others to do the following..." [Continued at source]
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"US Copyright Office": U.S. Copyright Office is an office of public record for copyright registration and deposit of copyright material.
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"The Copyright Handbook": Copyright law is a complex field, and it's crucial for writers to understand what's entailed.
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"The Writing.Com Copyright Policy": When you post your work on Writing.Com, you maintain the rights to your own material. This link contains Writing.Com's own site policies regarding copyright ownership and the means to handle a copyright dispute. Access to this policy can also be found at the bottom of each site page.