Bibliografie
http://foaienationala.ro/istoria-comunismului-pe-scurt-bolevicii-la-putere-rusia.html
https://d3form3d.deviantart.com/art/Leaders-Of-Communism-20668840
http://www.artsandecon.com/wp-content/uploads/2015/04/Karl-Marx-014.jpg
https://ro.wikipedia.org/wiki/Marxism
http://www.newworldencyclopedia.org/entry/Marxism-Leninism
https://ro.wikipedia.org/wiki/Troțkism
https://istoriiregasite.wordpress.com/2013/08/27/trotki-tragedia-familiei-ultima-parte/lev-trotki-2/
https://en.wikipedia.org/wiki/List_of_communist_ideologies#Non-Marxist_communism
http://bahaiteachings.org/bahais-and-communism
https://justindametz.wordpress.com/2016/05/21/a-defense-of-christian-communism/
https://ro.wikipedia.org/wiki/România_comunistă#Perioada_Republicii_Populare_Rom%C3%A2ne
https://reaction.life/queen-put-ceausescu-can-cope-trump/
http://tvtropes.org/pmwiki/pmwiki.php/UsefulNotes/VladimirLenin