A nice description of the Angel Inn in 1703
March 13, 1753 - March 17, 1753
Publication: London Gazette
Another item mentions that "the vaults underneath are said to have subterraneas communication with those of the abbey, and to have belonged to it formerly."
"Excursions in the County of Suffolk: Comprising a Brief Historical and Topographical Delineation of Every Town and Village; Together with Descriptions of the Residences of the Nobility and Gentry, Remains of Antiquity, and Every Other Interesting Object of Curiosity. Forming a Complete Guide for the Traveller and Tourist: Illustrated with One Hundred Engravings, Including a Map of the County"
Author Cromwell, Thomas, 1792-1870
Publication Date 1818
https://archive.org/details/excursionsincoun01cromiala/page/22/mode/2up (page 22)