You need "facts and references" to conclude that it is necessary to dope to beat 3.43 for the mile (or, equally, I assume, 3.26 for the 1500)? In other words, it should be written down in an academic journal somewhere as incontrovertible fact that El G had doped to run those times. You can be quite comical, sometimes. (But even if it were, you would still find reason to discredit it.) Since you will never find such proof as you require enshrined in irrefutable academic research you can rest easy that no record performance is doped (unless the athlete concerned incurs a violation, which most never will).
As a result of setting the bar in a way that no research can ever attain you can therefore reject all argument to the contrary - which is the technique of a denier. You are a denier - we have established that because not only can you not find a single record performance in the history of an historically doped sport to be doped, you refuse to do so.
I am not going to rehearse the arguments often made here and elsewhere about the nature of sports doping that would easily lead to a conclusion that most if not all elite records are now the likely result of doping, including the world mile record. Such arguments would never meet your tests. No arguments could.
The psychologist Erich Fromm wrote that if a person believed an evil man must have horns on his forehead he would never meet an evil man. So it is with you and doping.