He became a
controversialist when he published two discourses as a young priest in 1836:
"On the Supremacy of the Roman Pontiffs", which was delivered at the Church of Gesù e Maria in the Corso, Rome, on 7 February 1836; and the "
Letter addressed to the Rev. R. Burgess, Protestant Chaplain at Rome", which appeared on 8 March 1836. • ''"The Ceremonies of Holy Week at the Vatican and S. John Lateran's: Described and Illustrated from History and Antiquities"'' (1839) and dedicated to
Hugh Charles Clifford, 7th Baron Clifford of Chudleigh. • ''"The Pontifical Mass sung at St. Peter's Church on Easter Sunday, on the Festival of SS. Peter and Paul, and Christmas Day, with a Dissertation on Ecclesiastical Vestments"'' (1840) and dedicated to Cardinal
Giacomo Giustiniani, bishop of
Albano and protector of the English College. Baggs preached the funeral oration for his cousin, Gwendoline, widow of
Marcantonio Borghese, 5th Prince of Sulmona, in the church of
San Carlo ai Catinari on 23 December 1840. In its printed form, he inscribed it to the father of the young princess, John Talbot, 16th
Earl of Shrewsbury. == References ==