https://m.youtube.com/channel/UCTs0TufpN3cM8gfsSPkMxWg/videos
https://m.youtube.com/watch?v=BLKD2Wf8_wk
https://m.youtube.com/watch?v=wvg00vLiaaU
https://youtube.com/watch?v=AfmVKN-RwAQ
The Intelligent Investor
Pocket Ref, Machinist's Handbook, Backyard Ballistics.
http://kmeleonbrowser.org/forum/read.php?12,100787
https://boards.4chan.org/pol/thread/320667798
