General:
https://www.theguardian.com/books/2015/aug/07/10-books-that-shaped-the-world
https://www.therichest.com/rich-list/most-influential/the-10-most-influential-books-ever-written/

Plato’s The Republic:
http://www.slate.com/blogs/quora/2016/07/23/how_is_plato_s_republic_relevant_today.html

Sun Tzu’s The Art Of War:
http://www.history.com/topics/the-art-of-war

Rights of Man:
http://www.ushistory.org/paine/rights/c2-01.htm

The Wealth of Nations:
https://www.shmoop.com/wealth-of-nations/summary.html

The Complete Works of William Shakespeare:
http://mentalfloss.com/article/29400/10-ways-shakespeare-changed-everything
http://www.davidpaulkirkpatrick.com/2013/02/13/romantic-love-shakespeare-created-the-conception-of-modern-love/

Origins of Species:
http://www.history.com/this-day-in-history/origin-of-species-is-published\

Dianetics:
https://newrepublic.com/article/121590/1950-takedown-l-ron-hubbards-scientology-book-dianetics