For the benefit of Mr. Clarke, at the Theatre Royal in Covent-Garden, on Thursday next, being the 29th of April, will be reviv'd a tragedy, call'd Alzira. : Zamor by Mr. Clarke, ... Alvarez by Mr. Sparks, Carlos by Mr. Dyer ... To which will be added a farce (not acted these ten years) called Duke and no Duke. ...Covent Garden Theatre[1756]engCaption title.