You can only apply a Creative Commons (CC) license to work that you own or control copyright.
More information on how to obtain permission to sublicense rights can be found on our Obtaining Permissions page.
Alternatively, you have the option to use elements from the public domain. Public Domain Review has a guide for finding "interesting old works” online, but keep in mind that works published before 1927 are not always necessarily in the public domain: Stanford and Authors Alliance help explain why.
You might also use elements from a licensed work that permits derivatives; ask the library about the terms of our licensed resources.
Finally, you might use elements in a way that supports fair use. Other fair use resources include:
Remember after you choose a license to make sure to clearly mark or indicate in a notice which elements are covered by the license.