Yes. The 1913 novel by Willa Cather is in the public domain and is avaiable at Project Gutenberg (see link below)
The lyrics of "A te, o cara, amor talora," from the 1835 Bellini opera I puritani, would be in the public domain.
Such information is not in the public domain.
The song dates from the 18th century and as such is in the public domain, but contemporary settings, arrangements, performances, and recordings may have their own protection.
Willa Cather is the author of the novel O Pioneers!
The 1913 song itself is in the public domain, but certain settings, arrangements, performances, and recordings may have their own copyrights. The play and the 1919 and 1922 movies of it are in the public domain, but the 1933 film is not.
There are 122 songs by that title. The Bob Nolan song, recorded by the Sons of the Pioneers and many others, is controlled by Songwriters Guild of America and Unichappell.
The original O. Henry story, published in 1906, is in the public domain. Various later adaptations may still be protected.
One can find pictures of puppies that are considered to be in the public domain on public domain picture collection websites. These are a few of those: Wikimedia, PublicPhoto, Pixabay, PD photo, Photos Public Domain, Picdrome, Alegri Photos, Free Photo Gallery, Public-Domain-Photos, 4Free Photos, Free Stock Image Site, Public Domain Files,Public Domain Depot, Open Galleries, Free Images Collection, Free Digital Photos, Public Domain Photo, Project Public Domain Pictures.
Center for the Public Domain was created in 1999.
Union for the Public Domain was created in 1996.
Yes, the Wilhelm Scream is in the public domain.
O Pioneers - 1991 TV was released on: USA: 15 May 1991