The irish missionary unmask'd [electronic resource] : or, the Abbat Goulde, an Irish priest, (a Frenchman by Naturalization) Treasurer and Head of the Church and Chapter of our Lady of Thouars, (in France,) and Missionary (in Poitou,) convicted of four falsehoods, and of a great Oversight, if not a Fifth Fraud, in one single Article concerning the Church of England, upon the Invocation of Saints; all contain'd in one Page in 12-. of his letter to a gentleman of Low-Poiton; which he has been pleas'd to entitle, The true belief of the Catholick Church, against the tenets falsly ascrib' to her, in the Writings of the (protestant) Ministers. Written in French, by Mr. Rival, one of the Ministers of the French Chapel at St. James's; and translated into English, by D. G. Gent. With The Translator's Advertisement.