Matthew Holbeche Bloxam, The Principles of Gothic Ecclesiastical Architecture…
“ A. In the early stages of this style the lancet arch-headed window, very long and narrow, was prevalent; frequently two, three, or more of these were connected together by hood mouldings, the middle window rising higher than those at the [91] sides; sometimes they were unconnected, and without hood mouldings. In the east wall of Early English chancels three lancet windows, thus arranged, are frequently displayed. At a later period a broader window, divided into two lights by a plain mullion, finished at the top with a lozenge or circle, was used ”
