Are you tired of scanning through hundreds of books to find the information that you need? Then you should check out Archive.org.
This site provides you with all the necessary tools that you need to know everything that has appeared on the web. Archive.org is an internet library that aims to offer permanent access to researchers, historians and everybody else texts, images and much more that exists in digital format entirely for free. In order to access to some of the collections of the site you may need a password. You can get the password by filling the database with your data then you will become a member and a password will be given to you and you will be able to navigate freely through the site. The site also provides images, music, audio and, you will be able to view websites and what they looked like a couple of years ago. So check out this site. 
