From John Stow, A Survey of London, 2nd ed. (London, 1603; STC #23343):
The next is Biſhopſgate warde, whereof a parte is without the gate and of the ſuburbes from the barres, by S. Mary Spittle, to Biſhopſgate, and a part of Houndsditch, almoſt halfe thereof, alſo without the wall is of the ſame Warde. Then within the gate is Biſhopſgate ſtreete, ſo called of the gate, to a Pumpe, where ſometime was a fayre wel with two buckets by the Eaſt ende of the parriſh Church of S. Martin Otoſwich, and then winding by the Weſt corner of Leaden hall down Graſſe ſtreet to the corner ouer againſt Graffe Church, and this is the boundes of that Warde.

-- Transcribed by Melanie Chernyk and Janelle Day Jenstad, 2004.