* Fix pc assembly language url
* Move to direct url
* Revert "Move to direct url"
This reverts commit 88a3f60d62.
* Move to direct url
* Add file format
* Add Math Books from aimath.org
* Fix Trailing Slashes
* Fix Alphabetical Order?
* Fix Alphabetical Order
* Fixed language and categories
* Fixed language and categories for -ko.md
* Removed most PDF links from addition.
* Replace German Resource with Direct Link to PDF