1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.522, as ‘The Temple of Clitumnus, “Source of the Clitium” and “St.Jiacomo” ’.
1968
Giovanni Carandente, ‘Un Viaggio di Turner in Umbria’, Spoletium: Rivista di arte, storia e cultura, no.13, April 1968, p.18 note 13, as ‘vari studi del Tempietto sul Clitunno, con dettagli delle inscrizione e dei capitelli’.
1984
Cecilia Powell, ‘Turner on Classic Ground: His Visits to Central and Southern Italy and Related Paintings and Drawings’, unpublished Ph.D thesis, Courtauld Institute of Art, University of London 1984, pp.355 note 31, 409, as ‘Includes the view of Pissignano above the Temple of Clitumnus’.
1987
John Gage, J.M.W. Turner: ‘A Wonderful Range of Mind’, New Haven and London 1987, p.48.