No; copyright exists even when the rightsholder is not known, and even in countries that allow formal registration, it's possible to register anonymously or pseudonymously.
All works of Jupiter Hammon are in the public domain.
Yes, the poems written by Edgar Allan Poe are in the public domain since his works were published before 1923. Some of his most famous poems that are now in the public domain include "The Raven," "Annabel Lee," and "The Bells."
Yes; all materials prior to 1923 are in the public domain.
Yes - all questions and answers on this site are in the public domain. Even your profile is in the public domain (though only you can edit it !)
All of Shakespeare's plays are in the public domain. Pygmalion is in the public domain. I'm sure there are many, many more too!
No, not at all.
All of his films released before 1923 are in the public domain.
The first five books are in the Public Domain in the United States of America. All the books are in the Public Domain in Australia. They are not in the public domain in Britain or many other parts of the world. Edgar Rice Burroughs Inc. has TRADEMARKED several names from the series and are trying to use that as leverage in court to stop public domain usage.
All of Bougereau's works are in the public domain, but subsequent derivative works, such as photographs of the paintings, may be protected.
All movies made before 1923 and movies made before 1964 and not renewed in a timely manner are currently in the public domain.
No; it will be protected through 2063.
if you wanna keep yourself anonymous then go for it but i advise you to say who it's from. if you show that you're not scared to admit that you like this person then she'll be all over you