- Postern, near Moorfields
- At the west end of Petty France leading into Moorfields (Strype, ed. 1720, I. ii. 108, and 1755 ed.).First mention: Messuages within the precinct of the late Monastery or Priory of the New Hospital or Hospital of the Blessed Mary without Bisshopsgate, where lately the house called the Posterne was situated in parish of St. Botolph without Bisshopsgate, I Eliz. 1559 (Lond. I. p.m. I. 171).This New Hospital here mentioned must be St. Mary Bethlehem.
A Dictionary of London. Henry A Harben. 1918.