Certaine acts and declarations made by the Ecclesiasticall Congregation of the Archbishops, Bishops, and other Prelates met at Clonmacnoise, the 4 day of December 1649 : together with A declaration of the Lord Lieutenant of Ireland, for the undeceiving of deluded and seduced people ... in answer to certaine declarations and acts framed by the Irish popish prelates and clergie, in a late conventicle at Clonmac'noise, the fourth of December last.