I have a lot of work that I did but never truly completed. I would definitely get somethings licensed and share with the world.
Our free, easy-to-use copyright licenses provide a simple, standardized way to give the public permission to share and use your creative work — on conditions of your choice. CC licenses let you easily change your copyright terms from the default of “all rights reserved” to “some rights reserved.”
This publication sets forth United States copyright relations of current interest with the other independent nations of the world.
There is no such thing as an "international copyright" that will automatically protect an author's writings throughout the world. Protection against un authorized use in a particular country depends on the national laws of that country. However, most countries offer protection to foreign works under cer tain conditions that have been greatly simplified by international copyright treaties and conventions.