head coach of the Boston Bruins
... that Art Ross, the first head coach of the Boston Bruins, served four stints as head coach?
... that <a href="./Art_Ross" id="mwFnc" rel="mw:WikiLink" title="Art Ross">Art Ross</a>, the first <b id="mwFng"><a href="./List_of_Boston_Bruins_head_coaches" id="mwFnk" rel="mw:WikiLink" title="List of Boston Bruins head coaches">head coach of the Boston Bruins</a></b>, served four stints as head coach?