New book - 'Building a Better World in Your Backyard' - on Kickstarter (sponsored friend)
Public domain is not a license, but rather the absence of copyright. However, it is categorized with "licenses" for the time being, for simplicity and logic.
This category has only the following subcategory.
Pages in category "Public domain"
The following 12 pages are in this category, out of 12 total.