- (St.) Andrew ad Sanctam Trinitatem
- Early grants (12th cent.) of land and dwellings in the parish of St. Andrew made by the Prior and Convent of Holy Trinity. Endorsed " Sancti Andree ad Sanctam Trinitatem " (Anc. Deeds, A. 2338, 7284, 7285).Qy. = St. Andrew Undershaft.
A Dictionary of London. Henry A Harben. 1918.