Copyright-Free Books are available for download at the following sites:
Project Gutenberg is a library of over 70,000 free eBooks
Choose among free epub and Kindle eBooks, download them or read them online. You will find the world’s great literature here, with focus on older works for which U.S. copyright has expired. Thousands of volunteers digitised and diligently proofread the eBooks, for you to enjoy.
The Internet Archive
The Internet Archive offers over 20,000,000 freely downloadable books and texts. There is also a collection of 1.3 million modern eBooks that may be borrowed by anyone with a free archive.org account.
The HathiTrust Digital Library:*
The Hathitrust Digital Library is a digital preservation repository. HathiTrust provides long-term preservation and access services to digitised content from a variety of sources, including Google, the Internet Archive, Microsoft, and in-house member institution initiatives. Items in the public domain are in full-view for everyone and items held in copyright are searchable. The members ensure the reliability and efficiency of the digital library by relying on community standards and best practices, developing policies and procedures to manage content and services at scale, and maintaining a modular, open infrastructure.
*Please note that not all items in the hathitrust are out of copyright so please check what you are allowed to do with these materials first.
Matplotlib Pyplot Tutorial
An introduction to generating plots and figures using pyplot:
A tool for understanding and practicing working with regular expressions:
This research was conducted with the financial support of Science Foundation Ireland [12/RC/2289_P2] at Insight the SFI Research Centre for Data Analytics at University College Dublin.