in later hand, across bottom in graphite: Ruins of an Abbey by John Constable. Earlier than BM impression. It is before monogram at upper left / before birds in sky + before considerable crosshatching / etc on trees + new [curly] shading in left foreground
- Graham Reynolds. The later paintings and drawings of John Constable. Yale Univ. Press, New Haven and London, 1984: no.26.25.