 On his return to London he became assistant priest at St. Mary's, Moorfields, until 1827, when he was appointed domestic chaplain to John, Earl of Shrewsbury, with whom he had contracted a friendship based on similarity of tastes while at Rome.He accordingly resided at Alton Towers, Staffordshire, till 1840, with the exception of two years during which Lord Shrewsbury's generosity enabled him to stay at Rome collecting materials for his great work, "Hierurgia or the Holy Sacrifice of the Mass", which was published in 1833.He had previously published two short works