screenrant.com -BY DAN LOVEDAY -Though Wayne and Eastwood are forever married to the Western genre, their relationship was fractured and uneasy, leaving them with no collaborations.
screenrant.com -BY PADRAIG COTTER -John Wayne's final screen role featured one of his best performances, but he only landed the movie after Clint Eastwood had already passed.
screenrant.com -BY PADRAIG COTTER -While filming a gunfight in his last film The Shootist, John Wayne refused to break one old Western rule - even after being told Clint Eastwood would.
www.telegraph.co.uk -By Adam Scovell -The veteran gunslinger took aim at Eastwood’s hyper-violent, nihilistic High Plains Drifter. But who would shoot first?