Subdex is a crowd-sourced reading list platform.
Subdex.org is an online reading list platform.
Similar to Wikipedia, the website is characterized by pages dedicated to subjects.
Instead of written content by the crowd,
Subdex has links to media that relate to that content.
These links are up-voted by the crowd.
The best media (articles, books, videos) that relate to that subject will rise to the top,
creating an excellent reading list from which you can begin your studies.