Talk:John Lennon/@comment-5264252-20140827193405/@comment-5264252-20140827194828

http://listverse.com/2012/05/12/top-10-unpleasant-facts-about-john-lennon/

http://www.cracked.com/article_20469_5-beloved-celebrities-who-were-nothing-like-you-think.html

http://music.cbc.ca/#/blogs/2013/5/This-man-beats-women-John-Lennon-Chris-Brown-and-ugly-truths

http://www.elephantjournal.com/2012/05/john-lennon-getting-better/

http://www.reddit.com/r/todayilearned/comments/1af1io/til_that_john_lennon_beat_his_wife_and/

http://www.today.com/id/19418319/ns/today-books/t/john-lennon-we-did-not-know/

Apparently. A lot of sources on it.