14. Encyclopedias
In the time of technology 4.0, everyone gets information from the internet. It was unusual for people to use encyclopedias to looking for something though encyclopedias were necessary for research in many years ago. They outdated in today's society. So you can take the encyclopedia, references, and old textbooks to donate to a thrift store. These books are plentiful, and they take up a lot of space on the shelves. So to remove any textbooks, encyclopedias, or other great educational books, bring them to your local library to donate. You can also try selling them on eBay. If they can't sell, take the books to a recycling center.