There is no reasonable way to do this. The vast majority of websites will be protected by copyright, because the technology is so new. Exceptions would be sites created entirely by the federal government.
After copyright term has expired, materials enter the public domain.
Only if the copyright has expired.
Once copyright term expires, the material enters the public domain.
"Out of print" does not equal public domain. A work is safe to use only if the copyright has expired or deliberately been placed in the public domain by the rights holder. Or if the copyright has expired and was not properly renewed.
A work that is not subject to copyright protection would be in the public domain. Examples are works of the federal government (such as NASA imagery) or works for which protection has expired.
No; protection is expired, and the works are in the public domain.
Works for which the term of protection has expired are in the public domain.
The poem "Peace" by Ralph Spaulding Cushman is in the public domain, as it was published before 1923 and copyright has expired.
Written in 1871, the poem is in the public domain. Lear's 1888 illustrations are also in the public domain.
Yes, "You Are My Sunshine" is in the public domain as the original version was released in 1939 and the copyright has expired. However, if you are looking for a specific recording or arrangement of the song, it may be subject to copyright protection.
The original Lord Kitchener poster is in the public domain; copyright protection expired 70 years after the death of the artist, that is 2003.
It is not yet in the public domain. The music was written in the 1960's so the copyright won't expire for a long time.