" 

 : Pavel, there's no simple explanation. Read the whole Bulgars article and you will (hopefully) understand something, and do not even try to edit and add those fringe, unreliable or simply unrelated original research to that article! We, editors on Wikipedia including You, do not care what is our personal POV, we do not care and edit article according our personal POV and if find something wrong or right, we compare cites according general truth and modern scholarship, we cite what reliable academic scholars wrote about the topic according its weight. Editors on Wikipedia, at least with good intentions, care about neutrality, reliability and general truth, everything contrary of your personal ""probably true"". Your personal ""truth"" shows more about your symptomatic behavior than the origin of the Bulgars. Those books are avaliable online. I lost too much time discussing with you. Two months passed by exlaining you how Wikipedia works, what ""help articles"" to see for better editing, what is wrong with those edits, your behaviour and personal POV. If you have a personal identity crisis then don't cure it on Wikipedia.  "