The Internet Archive accepts media they do not have on hand yet.

Resources:

https://archive.org/want/?mode=donation_book

https://help.archive.org/help/does-the-internet-archive-have...

https://help.archive.org/help/donate-books-app-for-ios-and-a...

https://help.archive.org/help/how-do-i-make-a-physical-donat...