Blackbeard the Pirate
This illustration of Blackbeard is from Charles Johnson's book A General History of the Pyrates. Aside from this work, no other record of Charles Johnson exists. Many believe the book was actually written by Daniel Defoe, the author of Robinson Crusoe. To read A General History of the Pyrates follow this link: https://digital.lib.ecu.edu/17001 (includes images of cover and spine).
Defore, Daniel. A General History of Pyrates: From Their first Rise and Settlement to the Island of Providence, to the present Time. London: Black Boy in Pater-Noster-Row, 1724. Boston Public Library. Internet Archives. https://archive.org/details/generalhistoryof00defo/page/70 (Accessed December 17, 2018).
Public Domain
Public Domain is a copyright term that is often used when talking about copyright for creative works. Under U.S. copyright law, individual items that are in the public domain are items that are no longer protected by copyright law. This means that you do not need to request permission to re-use, re-publish or even change a copy of the item. Items enter the public domain under U.S. copyright law for a number of reasons: the original copyright may have expired; the item was created by the U.S. Federal Government or other governmental entity that views the things it creates as in the public domain; the work was never protected by copyright for some other reason related to how it was produced (for example, it was a speech that wasn't written down or recorded); or the work doesn't have enough originality to make it eligible for copyright protection.